Husqvarna TS 250R 2013 User manual

Manuale utente_Owner’s manual_Manuel d’utilisateur_Benutzerhandbuch_Manual del usuario
TC 250R 2013

Ed. 05-2012 - Rev. 01
TC 250R 2013
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 1
EN
Unless specified, data and prescription are referred to all the models.
EN

MOTOCROSS
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 2
PRESENTATION
Welcome to the Husqvarna motorcycling Family!
Your new Husqvarna motorcycle is designed and manufac-
tured to be the finest in its field.
The instructions in this book have been prepared to provide
a simple and understandable guide for your motorcycle’s
operation and care.
Follow the instructions carefully to obtain maximum per-
formance and your personal motorcycling pleasure. Your
owner’s manual contains instructions for owner care and
maintenance.
The main work of repair or maintenance requires the at-
tention of a skilled mechanic and the use of special tools
and equipment.
Your Husqvarna dealer has the facilities, experience and origi-
nal parts necessary to properly render this valuable service.
This “Owner’s Manual” is part and par-
cel of the motorcycle, hence, this had to
remain with the motorcycle even when
sold to another user.
This motorcycle uses components designed thanks to sys-
tems and state of the art technologies which are thereafter
tested in competition.
In competition motorcycles, every detail is verified after each
race in order to always guarantee better performance. For
correct functioning of the vehicle, it is necessary to follow the
maintenance and control table found on Appendix A.
IMPORTANT NOTICES
1) The TC models are guaranteed COMPE-
TITION motorcycles exempt from functional
defects, the suggested maintenance table for
competition use is shown on Appendix A.

SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 3
EN
IMPORTANT
The reference for recognition of the guarantee will be the MO-
TORCYCLE CONFIGURATION, as shown below:
- COMPETITION MOTORCYCLE, RACING USE: with FULL
POWER ENGINE
This motorcycles is setup for competition
use and therefore guarantees maximum
performance with the rider alone.
ALWAYS keep in mind that these motorcycles have been de-
signed strictly for competition use, that is, for conditions of
usage very different from those presented on the road.
ALWAYS keep in mind that these motorcycles
have been designed strictly for competition
use, that is, for conditions of usage very dif-
ferent from those presented on the road.
In order to maintain the vehicle’s “Guaran-
tee of Functionality”, the client must follow
the maintenance program indicated in the
user’s manual by carrying out maintenance
checks at authorized HUSQVARNA dealers.
The cost for substituting parts and for the
labour necessary in order to respect the
maintenance plan, is charged to the client.
NOTE: the guarantee is EXTINGUISHED in the
case where the motorcycle is rented.
Important Notice
Read this manual carefully and pay special attention to state-
ments preceeded by the following words:
Warning*: Indicates a possibility of severe
personal injury or loss of life if instructions
are not followed.
Caution*: Indicates a possibility of personal
injury or equipment damage if instructions
are not followed.
Note*: Gives helpful information.
Parts Replacement
When parts replacement is required, use only Husqvarna ORIGI-
NAL parts.
Warning*: After an upset, inspect the motor-
cycle carefully. Make sure that the throttle,
brake, clutch and all other systems are un-
damaged. Riding with a damaged motorcy-
cle can lead to a serious crash.
Warning*: Never attempt to start or operate
your motorcycle unless you are wearing ap-
propriate protective clothing. Always wear a
motorcycle helmet, motorcycle boots, gloves,
goggles and other appropriate protective
clothing.
Warning*: This motorcycle is a state of the
art competition bike. Do not attempt to start
or ride this motorcycle until you have re-
ceived expert instruction and are in excellent
physical condition.
PRECAUTIONS FOR CHILDREN
WARNING
• Park the vehicle where it is unlikely to
be bumped into or damaged. Even slight or
involuntary bumps can cause the vehicle to
topple over, with subsequent risk of serious
harm to people or children.
• To prevent the vehicle from tipping over,
never park it on soft or uneven ground, nor
on asphalt strongly heated by the sun.
•Engine and exhaust pipes become very hot
during riding. Always park your motorcy-
cle where people or children can not easily
reach these parts, in order to avoid serious
burns.

SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 4
Note
•References to the “left” or “right” of the motorcycle are in
the sense of a person facing forwards.
•Z: number of teeth
•A: Austria
AUS: Australia
B: Belgium
BR: Brazil
CDN: Canada
CH: Switzerland
D: Germany
E: Spain
F: France
FIN: Finland
GB: Great Britain
I: Italy
J: Japan
USA: United States of America
•Where not specified, all the data and the instructions are
referred to any and all Countries.
TABLE OF CONTENTS Page
PRESENTATION
......................................................................2
IMPORTANT NOTICES .............................................................2
IDENTIFICATION DATA ............................................................5
CONTROL LOCATION...............................................................6
TECHNICAL DATA ...................................................................7
LUBRICATION TABLE, SUPPLIES...............................................8
CONTROLS .............................................................................9
RIDING................................................................................12
APPENDIX ............................................................................38
PRE-DELIVERY INSPECTION ...................................................40
ALPHABETICAL INDEX ...........................................................41
PERIODIC MAINTENANCE -ADJUSTMENT .................. Appendix A

ZKHA300AADV050001
TC 250R
( l ) (▲) ( ♦ )
ZKHTC253#DV000001
TC 250R - USA
( l ) (▲) ( ♦ )
12
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 5
EN
IDENTIFICATION DATA
The engine number is printed on the upper side of the engine
case, whereas the frame number is printed on the steering tube.
Always state the number stamped on the frame
(and write it on this booklet), when placing orders for spare
parts, or when asking for informations about your motorcicle.
FRAME NUMBER
VEHICLE IDENTIFICATION NUMBER (V.I.N.)
The full 17 digit serial, or Vehicle Identification Number, is
stamped on the steering head tube (R.H. side).
( l ) = Model designation
(▲) = Model Year (2013)
(
♦ ) = Progressive no.
1. Frame serial number 2. Engine serial number

7
2
1
5
3
6
10
9
8
4
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 6
CONTROLS LOCATION
1. Front brake lever
2. Throttle twistgrip
3. ENIGINE STOP button (engine stop)
4. Kick start pedal
5. Clutch control lever
6. Starting device
7. Fuel tank ller cap
8. Gear shift pedal
9. Rear brake control pedal
10. Master cylinder

SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 7
EN
TECHNICAL DATA
ENGINE
Type..................................................... single cylinder, 4 stroke
Cooling............................................................................liquid
Bore...............................................................3,11 in. (79 mm)
Stroke.........................................................2.00 in. (50,9 mm)
Displacement......................................15,22 cu. in. (249,5 cm3)
Compression ratio...........................................................13,6:1
Starting...................... kick start (with automatic decompressor)
TIMING SYSTEM
Type........................4 titanium valves, controlled by twin finger
follower type camshafts, mixed chain/gear drive system
Valve clearance (with engine cold)
Intake.......................................................0,006 in. (0,15 mm)
Exhaust.....................................................0,008 in. (0,20 mm)
LUBRICATION
Type... wet crankcase, lobe pump and cartridge and mesh filters
IGNITION
Type ...........Electronic, inductive discharge, with adjustable
advance (digital control)
Spark plug type ...................................................NGK CR9EIA-9
Spark plug gap .........................0.031÷0,035 in. (0,8÷0,9 mm)
FUEL SYSTEM
Type......................................................Electronic injection feed
PRIMARY DRIVE
Drive pinion gear- Clutch ring gear ...........................Z 17- Z 54
Transmission ratio............................................................3,176
CLUTCH
Type.....................oil bath multiple disc clutch, hydraulic control
TRANSMISSION
Type.....................................................constant mesh gear type
Transmission ratio
1st gear..........................................................2,142 (z 30/14)
2nd gear.........................................................1,750 (z 28/16)
3rd gear ........................................................1,450 (z 29/26)
4th gear..........................................................1,227 (z 27/22)
5 th gear.........................................................1,041 (z 25/24)
SECONDARY DRIVE
Transmission sprocket- Rear wheel sprocket............... Z 13- Z 50
Transmission ratio............................................................3,846
FINAL RATIOS
1st gear.........................................................................26,180
2nd gear........................................................................21,380
3rd gear ........................................................................17,715
4th gear.........................................................................14,994
5th gear.........................................................................12,726
FRAME
Type........Steel single tube cradle (roud, rectangular, ellipsoidal
tubes); light alloy rear frame
FRONT SUSPENSION
Type”Upside-down” telescopic hydraulic front fork with advanced
axle (adjustable in compression and rebound stroke); stanchions
tubes Ø 1.89 in. (Ø 48 mm)
Legs axis stroke ...........................................11.8 in. (300 mm)
REAR SUSPENSION
Type................progressive with hydraulic single shock absorber
Wheel stroke ...............................................11.6 in. (296 mm)
FRONT BRAKE
Type......... fixed disc Ø 10.23 in. (Ø 260 mm) “Wave” type with
hydraulic control and floating caliper
REAR BRAKE
Type.... floating disc, Ø9.45 in. (Ø 240 mm) “Wave” type with
hydraulic control and floating caliper
RIMS
Front.......................................................in light alloy: 1,6x21”
Rear......................................................in light alloy: 1,85x19”
TIRES
Front...................................................................80/100 x 21”
Rear......................................................................100/90x19”
Cold tire pressure
Front................................................................0,9÷1,0 Kg/cm2
Rear.................................................................0,8÷0,9 Kg/cm2

SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 8
DIMENSION, WEIGHT, CAPACITY
Wheelbase...............................................57.87 in. (1460 mm)
Overall length............................................87.2 in. (2215 mm)
Overall width .............................................32.30 in. (820 mm)
Overall height..........................................50.79 in. (1305 mm)
Saddle height.............................................38.78 in. (985 mm)
Minimum ground clearance........................11.42 in. (325 mm)
Kerb weight, without fuel........................222,64 lb. (101,2 kg)
Fuel tank capacity.............................................. Imp. Gall. 1.43
U.S. Gall. 1.72
6,5 l
Coolant capacity..............................................0.79 Imp. Quarts
0.95 U.S. Quarts
900 cc
Transmission oil
Oil and oil filter replacement.......................... Imp. Quarts 0.79,
U.S. Quarts 0.95
900 cc
Oil replacement............................................... Imp. Quarts 0.75
U.S. Quarts 0.90
850 cc
TABLE FOR LUBRICATION, SUPPLIES
Engine, gearbox and primary drive lubricating oil
CASTROL POWER 1 RACING 10W-50
Engine coolant CASTROL MOTORCYCLE COOLANT
Brake system fluid
CASTROL RESPONSE SUPER DOT 4
Clutch fluid CASTROL RESPONSE SUPER DOT 4
Grease lubricationCASTROL PASTE TA GREASE
Final drive chain lubrication
CASTROL CHAIN LUBE RACING
Front fork oil Kayaba KHL15-11
Electric contact protection
CASTROL METAL PARTS CLEANER
CASTROL MOTORCYCLE DWF
Fillers for radiator
AREXONS TURAFALLE LIQUIDO

21
1
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 9
EN
CONTROLS
FUEL COCK
Fuel cock is not tted on this model.
SIDE STAND
These models have a side stand (1) on the left side of
the motorcycle.
WARNING*: The stand is designed to sup-
port the weight of the MOTORCYCLE ONLY. Do
not sit on the motorcycle using the stand for
support as this could cause structural failure
to the stand and could cause serious bodily
injury.
FUEL
Recommended fuel: premium grade unleaded fuel. (R.O.N. 96
÷ 98).
WARNING*: Gasoline is extremely flamma-
ble and can be explosive under certain con-
ditions. Always stop the engine and do not
smoke or allow flames or sparks in the area
where the motorcycle is refueled or gasoline
is stored.
WARNING*: Do not overfill the tank. After re-
fueling, make sure the tank cap (2) is closed
securely.
COLD START
The motorcycle is equipped with a knob (1) positioned on throt-
tle body for cold start. Pull the knob towards the outside to acti-
vate the starter, and on the opposite direction to deactivate it.

A
B
1
2
3
1
C
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 10
THROTTLE CONTROL
The throttle knob (1), is located on the right hand side of the
handlebar. The position of the throttle control can be adjusted
by loosening the two fastenig screws (A).
CAUTION
Do not forget to tighten the screws (A) after
the adjustment.
FRONT BRAKE CONTROL
The brake control lever (2) is located on the right hand side of
the handlebar. The position of the throttle control can be ad-
justed by loosening the two fastenig screws (B).
CAUTION
Do not forget to tighten the screws (B) after
the adjustment.
CLUTCH CONTROL
The hydraulic clutch control lever (3) is located on the left-hand
side of the handlebar and is protected against dirt with a rub-
ber guard.
The position of the clutch control on handlebar can be adjusted
by loosening the retaining screws (C).
CAUTION
Do not forget to tighten the screws after the
adjustment.
ENGINE STOP BUTTON
On the left side of the handlebar, near the clutch control, is lo-
cated the engine stop button.

1
1
2
3
45
1
N
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 11
EN
GEAR SHIFT CONTROL
The lever (1) is placed on the left-hand side of the engine. The
operator must release the lever after each gear change to allow
it to return to its central position before another gear
change can be made.
Neutral position (N) is between first (low) and second gears.
First gear is engaged by pushing the lever downwards; all the
other gears are engaged, by pushing the lever upwards.
The position of the gear shift lever on the shaft can be varied
by:
- loosening screw;
- pulling lever out;
- placing lever in new position on the shaft when the operation
is over tighten the screw and then tightening the screw.
CAUTION*: Do not shift gears without disen-
gaging the clutch and closing the throttle. The
engine could be damaged by overspeed and
shock.
WARNING*: Do not downshift when traveling
at a speed that would force the engine to
overrev in the next lower gear, or cause the
rear wheel to lose traction.
REAR BRAKE CONTROL
The rear brake control (1) is placed on the right-hand side of
the motorcycle.
N: Neutral

SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 12
8. Check exhaust system
Check hook up, look for cracks
Check muffler.
9. Check torque
A. Spark plug
.
B. General check of torque
10. Check steering action
Check bearing play.
WARNING*: Failure to perform these checks
every day before you ride may result in se-
rous damage or a severe accident.
RUNNING IN
Before using the motorcycle for sporting activities run in the
engine for two hours at least to increase the life and the per-
formance of the engine.
During the first half-hour of driving we advise keeping a low
speed and avoiding sudden accelerations. Never open the throt-
tle fully.
Change the oil and carry out all the necessary maintenance op-
erations. After the first half-hour of driving, lightly increase the
rev number, but never run the engine at full throttle. Never keep
low speeds when the high gears are inserted.
Slowly drive the motorcycle for two hours before using it for
sporting activities.
CHECKS DURING RUNNING
- SPOKE TENSION OF WHEELS;
- TIGHTENING OF WHEELS;
- FORK PIN TIGHTENING;
- CHAIN ADJUSTMENT;
- STEERING BEARING PLAY;
- HANDLEBAR TIGHTENING;
- ENGINE GRIP TO FRAME;
- SUCTION FITTING GRIP;
- HEAD AND CYLINDER NUTS GRIP.
RIDING
BEFORE EVERY RIDE MAKE FOLLOWING CHECKS
WARNING!
Before each ride, to prevent accidents or failures during ride,
make sure to go through following list.
1. Check all fluids
A. Engine-transmission oil level
B. fuel level
C. coolant level
Make sure all caps are properly adjusted.
WARNING*: Don’t remove radiator cap when
hot!
2. Check all controls
A. Throttle handgrip
B. Clutch lever
Make sure cables are not damaged and turn smoothly.
3. Check brakes
Look for brake fluid leaks and worn hoses. Check for proper
functioning.
4. Check suspensions
Compress fork and rear suspensions. Look for oil leaks and
ensure proper functioning.
5. Check wheels
Check spokes and look for worn bearings.
Check rims and tyres.
Check tyre pressure.
6. Check chain rollers and sprockets
Check wear on chain rollers and sprockets
Ensure chain is correctly adjusted and lubricated.
7. Check air filter and intake system
Check that air filter is clean
Check all rubber connections and clamps.

4
2
1
1
2
3
45
3
N
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 13
EN
ENGINE START
While the engine is cold, i.e., after the motorcycle has not been
used for a while or in low ambient temperatures, operate in the
following manner:
1) pull knob (1) towards the outside;
2) pull clutch lever (2) and hold it in place;
3) shift gear pedal (3) to neutral position;
4) strongly push the pedal (4) ALL THE WAY down with force
until the engine starts.
5) Release the clutch lever (2).
6) Take starter knob (1) back to its initial position as soon as
engine stays idle.
When a cold engine has just been started, do not increase
revs, to ensure an adequate oil warm-up and circulation.
IMPORTANT
DO NOT OPERATE THE THROTTLE CON-
TROL WHILE STARTING-UP.
WARNING*: This high performance motorcycle
can some times «kick back» strongly when you
are starting it.
Do not attempt to start this motorcycle unless
you are wearing high top heavy sided riding
boots. You could seriously hurt you leg if the
kickstarter kicked back and your foot slipped.
IMPORTANT NOTE IN CASE OF COLD STARTS AT
LOW TEMPERATURES
It is recommended to briefly warm-up the engine at idle until,
after having disengaged the starter, there is a normal response
from the engine when opening the throttle.
In this way the oil can reach all the surfaces needing lubrication
and the coolant will reach the necessary temperature for correct
engine function.Avoid overheating the engine.
IMPORTANT
Never accelerate the engine after a cold start.
WARNING*: Exhaust contains poisonous car-
bon monoxide gas. Never run the engine in a
closed garage or in a confined area.

3
1
2
1
a
2
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 14
STOPPING THE MOTORCYCLE AND THE ENGINE
- Close the throttle (1) completely so that the engine will help
slow down the motorcycle.
- For normal braking, gradually apply both front and rear
brakes while down shifting (for maximum deceleration, apply
the front and rear brakes firmly).
- Before the motorcycle stops, pull the clutch lever and shift
gear lever (2) into neutral position.
- Press the engine stop RED button (3).
WARNING*: Independent use of the front or
rear brake may be advantageous under cer-
tain conditions. Use caution when using the
front brake, especially on slippery surfaces.
Improper use of the brakes can lead to a se-
rious crash.
WARNING*: In the event of a stuck throttle
or other malfunction that causes the en-
gine to run uncontrollably, pull the clutch
lever IMMEDIATELY and press the engine
stop switch. Control the motorcycle by nor-
mal use of the brakes and steering while
holding the engine stop button down.
CHECKING THE OIL LEVEL
Keeping the motorbike level and in a vertical position, check the
oil level through the inspection (1) window on the right crankcase.
Make sure the level is in between the MIN and MAX notches.
To fill up, remove the filler cap (2).
Note*: Have this operation made with
warmed-up engine.
WARNING*: Be careful not to touch hot en-
gine oil.

A
34
5
6
2
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 15
EN
ENGINE OIL REPLACEMENT AND BAG FILTERS-FILTER
CARTRIDGE CLEANING OR REPLACEMENT
WARNING*: Be careful not to touch hot en-
gine oil.
Drain the oil with WARM ENGINE; proceed as follows:
•remove oil filler cap (2);
•remove the engine lower guard (A);
•place an oil drain pan under the engine block;
•Remove the oil drain cap (3), the mesh filter (4) and drain
the old oil;
•Clean the mesh filter with benzine;
•in order to replace the filter cartridge (5), unscrew the three
fastening screws then the filter cartridge cover (6).
Once the oil filters have been cleaned-replaced, fit the parts
back in, in the opposite sequence to the disassembly, and pour
in the prescribed amount of oil, as listed in the LUBRICATION
TABLE.

1A
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 16
WARNING
Avoid removing radiator cap when engine
is hot, as coolant may spout out and cause
scalding.
COOLANT LEVEL CHECK
Check level (1) in right-hand radiator when engine is cold (place
the motorcycle so that it is perpendicular to the ground). The
coolant should be approximately 10 mm above cells and be-
sides.
The radiator cap (A) is provided of two unlocking positions, the
first being for the previous pressure discharge in the cooling
system.
NOTE
Difficulties may arise in eliminating coolant
from varnished surfaces. If this occurs, wash
off with water.

a
1
2
3
B
A
A
A
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 17
EN
Periodically check the connecting hoses (see “Periodical main-
tenance card”): this will avoid coolant leakages and consequent
engine seizure: If hoses (A) show cracks, swelling or hardenings
due to sheats desiccation, their replacement shall be advisable.
Check the correct tightening of the clamps (B).
REPLACEMENT OF COOLING FLUID
Place a vessel on the L.H. side of the cylinder, under the Piping (1).
Remove the exhaust pipe (a). Loosen the pipe strap (2) of the pip-
ing (1), take the pipe off the fitting that secures it to the engine, then
SLOWLYopen theR.H. radiatorcap(3); slopethe motorcycleonthe left
side to drain the coolant easily in the vessel.
When finished, refit the hose (1), secure it with the clamp (2)
and refit the drain hose.
Pour the necessary quantity of coolant in the radiator then warm
up the engine in order to eliminate any possible air bubbles. A: Piping
B: Clamps

1
2
3
4
4
5
5
1
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 18
THROTTLE CABLE ADJUSTMENT
To check the correct adjustment of the throttle operate as fol-
lows:
- Remove rubber caps (1);
- by moving the opening cable (2) back and forth, check that
free play is 3 mm;
- by moving the closing cable (3) back and forth, check that
free play is 1 mm;
- if it does not happen, loosen the nut (4) and appropriately
turn the adjuster screw (5);
(loosen it to decrease clearance, tighten it to increase it);
- after adjustment block the nut (4).
WARNING*: Operation with damaged throt-
tle cable could result in an unsafe riding con-
dition.
WARNING*: Exhaust gas contains poisonous
carbon monoxide gas. Never run the engine
in a closed area or in a confined area.
ADJUSTING THE IDLE
Adjust the carburetor with warm engine and with the throttle
control in closed position. Proceed as follows:
- turn the knob (1) on the left side of the throttle body of about
34 clicks from the fully closed position, checking with the suit-
able device that revs are of about 1,950 RPM (turn clockwise
to increase the speed and counter clockwise to reduce it).

0,8 ÷ 0,9 mm
0,031 ÷ 0,035 in.
A
1
3
2
4
6
7
5
4
SPECIFICATIONS - OPERATION - MAINTENANCE
EN - 19
EN
SPARK PLUG CHECK
The correct type of spark plug and electrode gap is indicated in
the “Technical data” section.
A wider gap may cause difficulties in starting the engine and
overload the coil.
A narrower gap may cause difficulties when accelerating or
idling or poor performance at low speed.
- Remove the connector (1) from the coil (2).
- Loosen the two screws (3), remove coil (2) and retaining
bracket (4), and then remove the spark plug.
NOTE: during refitting, check that the gasket (5) is correctly
positioned; the reference lug (6) must correspond with the
retaining bracket (4) gap (7)
It is very useful to examine the state of the spark plug just after it
has been removed from the engine since the deposits on the plug
and the colour of the insulator provide useful indications.
Apply a little graphite grease to the spark
plug thread; fit and screw the spark plug by
hand then tighten to the torque of 10÷12 Nm-
7.4÷8.9 ft/lb. Loosen the spark plug then
tighten it again to the torque of 10÷12 Nm-
7.4÷8.9 ft/lb (1÷1,2 Kgm - 7.4÷8.9 ft/lb).
Spark plugs which have cracked insulators or
corroded electrodes should be replaced.
Correct heat rating:
The tip of the insulator should be dry and the colour should be
light brown or grey.
High heat rating:
In this case, the insulator tip is dry and covered with dark de-
posits.
Low heat rating:
In this case, the spark plug is overheated and insulator tip is
vitreous, white or grey in colour.
CAUTION*:
If necessary, replace the spark plug with one
of the same type and heat rating (see the
technical data section).