Yamaha YFM35FAS Manual

YFM35FAS
YFM350FAS
5UH2-AE1
SUPPLEMENTARY
SERVICE MANUAL

FOREWORD
This Supplementary Service Manual has been prepared to introduce new service and data for the
YFM35FAS/YFM350FAS. For complete service information procedures it is necessary to use this
Supplementary Service Manual together with the following manual.
YFM4FAR/YFM400FAR SERVICE MANUAL: 5TE2-AE1
YFM35FAS/YFM350FAS
SUPPLEMENTARY
SERVICE MANUAL
©2003 by Yamaha Motor Co., Ltd.
First edition, July 2003
All rights reserved.
Any reproduction or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.

EB001000
NOTICE
This manual was produced by the Yamaha Motor Company primarily for use by Yamaha dealers
and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one
manual, so it is assumed that anyone who uses this book to perform maintenance and repairs on
Yamaha machine has a basic understanding of the mechanical ideas and the procedures of
machine repair. Repairs attempted by anyone without this knowledge are likely to render the
machine unsafe and unfit for use.
Yamaha Motor Company, Ltd. is continually striving to improve all its models. Modifications and
significant changes in specifications or procedures will be forwarded to all authorized Yamaha
dealers and will appear in future editions of this manual where applicable.
N
OTE:
Designs and specifications are subject to change without notice.
IMPORTANT INFORMATION
Particularly important information is distinguished in this manual by the following notations.
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR
SAFETY IS INVOLVED!
Failure to follow WARNING instructions could result in severe injury or death
to the machine operator, a bystander or a person inspecting or repairing the
machine.
A CAUTION indicates special precautions that must be taken to avoid
damage to the machine.
A NOTE provides key information to make procedures easier or clearer.
WARNING
CAUTION:
NOTE:

EB002000
HOW TO USE THIS MANUAL
MANUAL ORGANIZATION
This manual consists of chapters for the main categories of subjects. (See “Illustrated symbols”)
1st title 1: This is the title of the chapter with its symbol in the upper right corner of each page.
2nd title 2: This title indicates the section of the chapter and only appears on the first page of each
section. It is located in the upper left corner of the page.
3rd title 3: This title indicates a sub-section that is followed by step-by-step procedures
accompanied by corresponding illustrations.
EXPLODED DIAGRAMS
To help identify parts and clarify procedure steps, there are exploded diagrams at the start of each
removal and disassembly section.
1. An easy-to-see exploded diagram 4is provided for removal and disassembly jobs.
2. Numbers 5are given in the order of the jobs in the exploded diagram. A number that is enclosed
by a circle indicates a disassembly step.
3. An explanation of jobs and notes is presented in an easy-to-read way by the use of symbol marks
6. The meanings of the symbol marks are given on the next page.
4. A job instruction chart 7accompanies the exploded diagram, providing the order of jobs, names
of parts, notes in jobs, etc.
5. For jobs requiring more information, the step-by-step format supplements 8are given in addition
to the exploded diagram and the job instruction chart.

EB003000
ILLUSTRATED SYMBOLS
Illustrated symbols 1to 0are printed on the
top right of each page and indicate the subject
of each chapter.
1General information
2Specifications
3Periodic checks and adjustments
4Engine
5Cooling system
6Carburetion
7Drive train
8Chassis
9Electrical
0Troubleshooting
Illustrated symbols Ato Hare used to identify
the specifications appearing in the text.
ACan be serviced with engine mounted
BFilling fluid
CLubricant
DSpecial tool
ETorque
FWear limit, clearance
GEngine speed
HΩ, V, A
Illustrated symbols Ito Nin the exploded
diagrams indicate the types of lubricants and
lubrication points.
IApply engine oil
JApply gear oil
KApply molybdenum disulfide oil
LApply wheel bearing grease
MApply lithium-soap-based grease
NApply molybdenum disulfide grease
Illustrated symbols Oto Pin the exploded
diagrams indicate where to apply a locking
agent Oand when to install a new part P.
OApply the locking agent (LOCTITE®)
PReplace
12
34
56
78
90
AB
CD
EF
GH
IJK
LMN
OP
GEN
INFO SPEC
CHK
ADJ ENG
COOL CARB
DRIV
CHAS
–+
ELEC TRBL
SHTG
T
R
.
.
EGM
BLS M
LT
New

CONTENTS
GENERAL INFORMATION
SPECIAL TOOLS ......................................................................................1
SPECIFICATIONS
GENERAL SPECIFICATIONS ..................................................................2
MAINTENANCE SPECIFICATIONS .........................................................5
ENGINE ................................................................................................5
CHASSIS ............................................................................................15
ELECTRICAL ......................................................................................19
LUBRICATION POINTS AND LUBRICANT TYPES ...............................21
ENGINE ..............................................................................................21
OIL FLOW DIAGRAMS ...........................................................................22
CABLE ROUTING ...................................................................................26
PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION .....................................................................................34
PERIODIC MAINTENANCE/LUBRICATION ...........................................34
SEAT, CARRIERS, FENDERS AND FUEL TANK ..................................36
SEAT, FRONT CARRIER, FRONT BUMPER AND
FRONT FENDER ................................................................................36
FUEL TANK ........................................................................................38
ENGINE ...................................................................................................39
CHECKING THE OIL TEMPERATURE WARNING LIGHT ................39
ENGINE
CYLINDER HEAD ...................................................................................40
CAMSHAFT, ROCKER ARMS AND VALVES ........................................42
CYLINDER AND PISTON .......................................................................44
RECOIL STARTER AND A.C. MAGNETO ............................................45
BALANCER GEARS AND OIL PUMP .....................................................47
OIL PUMP ...........................................................................................49
REMOVING THE BALANCER DRIVE GEAR AND
BALANCER DRIVEN GEAR ...............................................................50
REMOVING THE BALANCER DRIVE GEAR AND
BUFFER BOSS ...................................................................................50
CHECKING THE OIL PUMP DRIVEN GEAR .....................................50
CHECKING THE BALANCER DRIVE GEAR AND
BALANCER DRIVEN GEAR ...............................................................50
INSTALLING THE BALANCER DRIVE GEAR AND
BALANCER DRIVEN GEAR ...............................................................51

OIL COOLER ..........................................................................................52
PRIMARY AND SECONDARY SHEAVES ..............................................54
PRIMARY SLIDING SHEAVE .............................................................56
SECONDARY SHEAVE ......................................................................57
ASSEMBLING THE PRIMARY SHEAVE ............................................58
ASSEMBLING THE SECONDARY SHEAVE .....................................58
CLUTCH ..................................................................................................60
CRANKCASE ..........................................................................................62
STARTER MOTOR, TIMING CHAIN AND OIL FILTER .....................62
CRANKCASE ......................................................................................64
CRANKCASE BEARINGS ..................................................................65
SEPARATING THE CRANKCASE .....................................................66
ASSEMBLING THE CRANKCASE .....................................................66
CRANKSHAFT ........................................................................................68
REMOVING THE CRANKSHAFT .......................................................69
INSTALLING THE CRANKSHAFT ......................................................69
TRANSMISSION .....................................................................................70
INSTALLING THE TRANSMISSION ...................................................71
MIDDLE GEAR ........................................................................................72
MIDDLE DRIVE SHAFT ......................................................................72
MIDDLE DRIVEN SHAFT ...................................................................73
SELECTING THE MIDDLE DRIVE AND DRIVEN GEAR SHIMS ......75
DRIVE TRAIN
FRONT CONSTANT VELOCITY JOINTS AND
DIFFERENTIAL GEAR ............................................................................79
MEASURING AND ADJUSTING THE DIFFERENTIAL
GEAR LASH ........................................................................................81
CHASSIS
REAR BRAKE .........................................................................................83
CHECKING THE REAR BRAKE .........................................................85
INSTALLING THE REAR BRAKE .......................................................86
STEERING SYSTEM ..............................................................................89
STEERING STEM ...............................................................................89
FRONT ARMS AND FRONT SHOCK ABSORBERS .............................91
ELECTRICAL
ELECTRIC STARTING SYSTEM ............................................................93
STARTER MOTOR .............................................................................93
ASSEMBLING THE STARTER MOTOR ............................................94
SIGNAL SYSTEM ...................................................................................95
CIRCUIT DIAGRAM ............................................................................95
COOLING SYSTEM ................................................................................99
CIRCUIT DIAGRAM ............................................................................99
TROUBLESHOOTING .....................................................................100

TROUBLESHOOTING
FAULTY GEAR SHIFTING ....................................................................104
HARD SHIFTING ..............................................................................104
SHIFT LEVER DOES NOT MOVE ....................................................104
JUMPS OUT OF GEAR ....................................................................104
OVERHEATING ....................................................................................104
OVERHEATING ................................................................................104
FAULTY BRAKE ...................................................................................105
POOR BRAKING EFFECT ...............................................................105
YFM35FAS/YFM350FAS WIRING DIAGRAM

GEN
INFO
–1 –
SPECIAL TOOLS
GENERAL INFORMATION
EB102001
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assembly. Use
only the appropriate special tools; this will help prevent damage caused by the use of inappropriate
tools or improvised techniques. Special tools may differ by shape and part number from country to
country. In such a case, two types are provided.
When placing an order, refer to the list provided below to avoid any mistakes.
For US and CDN
P/N. YM-, YU-, YS-, YK-, ACC-
Except for US and CDN
P/N. 90890-
Tool No. Tool name/How to use Illustration
Pot
90890-01274
Bolt
90890-01275
Crankshaft installer pot
Crankshaft installer bolt
These tools are used to install the
crankshaft.
90890-01309
Spacer
This tool is used to install the
crankshaft.
Adapter
90890-01383
YM-1383
Spacer
90890-04081
YM-91044
Adapter
Spacer (crankshaft installer)
These tools are used to install the
crankshaft.
YU-90050
Crankshaft installer set
These tools are used to install the
crankshaft.

–2 –
SPEC
SPECIFICATIONS
GENERAL SPECIFICATIONS
Item Standard
Model code: 5UH2 (for CDN)
5UH4 (for Europe)
5UH5 (for Oceania)
Dimensions:
Overall length 1,984 mm (78.1 in)
Overall width 1,085 mm (42.7 in)
Overall height 1,120 mm (44.1 in)
Seat height 827 mm (32.6 in)
Wheelbase 1,233 mm (48.5 in)
Minimum ground clearance 245 mm (9.7 in)
Minimum turning radius 3,000 mm (118.1 in)
Basic weight:
With oil and full fuel tank 258 kg (569 lb)
Engine:
Engine type Air-cooled 4-stroke, SOHC
Cylinder arrangement Forward-inclined single cylinder
Displacement 348 cm3
Bore ×stroke 83.0 × 64.5 mm (3.27 ×2.54 in)
Compression ratio 9.2 : 1
Standard compression pressure (at sea level) 1,050 kPa (10.5 kg/cm2, 149.3 psi) at 750 r/min
Starting system Electric and recoil starter
Lubrication system: Wet sump
Oil type or grade:
Engine oil
For CDN
For Europe, Oceania
API service SE, SF, SG type or higher
Final gear oil SAE 80API “GL-4”Hypoid Gear Oil
Differential gear oil SAE 80API “GL-4”Hypoid Gear Oil
0°10°30°50°70°90°110°
-20°-10°0°10°20°30°40°
130°F
50°C
YAMALUBE 4 (20W40) or SAE 20W40
YAMALUBE 4 (10W30) or SAE 10W30
SAE 5W30
GENERAL SPECIFICATIONS

–3 –
SPEC
Oil capacity:
Engine oil
Periodic oil change 2.2 L (1.94 Imp qt, 2.33 US qt)
With oil filter replacement 2.3 L (2.02 Imp qt, 2.43 US qt)
Total amount 3.1 L (2.73 Imp qt, 3.28 US qt)
Final gear case oil
Periodic oil change 0.23 L (0.20 Imp qt, 0.24 US qt)
Total amount 0.25 L (0.22 Imp qt, 0.26 US qt)
Differential gear case oil
Periodic oil change 0.35 L (0.31 Imp qt, 0.37 US qt)
Total amount 0.40 L (0.35 Imp qt, 0.42 US qt)
Air filter: Wet type element
Fuel:
Type Regular unleaded gasoline only
(for CDN, Europe)
Unleaded gasoline only (for Oceania)
Fuel tank capacity 13.5 L (2.97 Imp gal, 3.57 US gal)
Fuel reserve amount 3.3 L (0.73 Imp gal, 0.87 US gal)
Carburetor:
Type/quantity BSR33/1
Manufacturer MIKUNI
Spark plug:
Type/manufacturer DR8EA/NGK
Spark plug gap 0.6 ~ 0.7 mm (0.024 ~ 0.028 in)
Clutch type: Wet, centrifugal automatic
Transmission:
Primary reduction system V-belt
Secondary reduction system Shaft drive
Secondary reduction ratio 41/21 ×24/18 ×33/9 (9.545)
Transmission type V-belt automatic
Operation Left hand operation
Single speed automatic 2.60 ~ 0.75 : 1
Sub transmission ratio 35/20 (1.750)
Reverse gear 26/15 (1.733)
Chassis:
Frame type Steel tube frame
Caster angle 4°
Camber angle 1°
Kingpin angle 11°
Kingpin offset –5.0 mm (–0.20 in)
Trail 21 mm (0.83 in)
Tread (STD) front 850 mm (33.46 in)
rear 825 mm (32.48 in)
Toe-in 0 ~ 10 mm (0 ~ 0.39 in)
Item Standard
GENERAL SPECIFICATIONS

–4 –
SPEC
Tires:
Type Tubeless
Size front AT25 ×8–12
rear AT25 ×10–12
Manufacturer front MAXXIS (for CDN, Europe)
CHENG SHIN (for Oceania)
rear MAXXIS (for CDN, Europe)
CHENG SHIN (for Oceania)
Type front M911Y (for CDN, Europe)
C828 (for Oceania)
rear M912Y (for CDN, Europe)
C828 (for Oceania)
Tire pressure (cold tire):
Maximum load* 210 kg (463 lb)
Off-road riding front 22 ~ 28 kPa (0.22 ~ 0.28 kg/cm2, 3.2 ~ 4.0 psi)
rear 22 ~ 28 kPa (0.22 ~ 0.28 kg/cm2, 3.2 ~ 4.0 psi)
*Load in total weight of rider accessories
Brakes:
Front brake type Dual disc brake
operation Right hand operation
Rear brake type Drum brake
operation Left hand and right foot operation
Suspension:
Front suspension Double wishbone
Rear suspension Swingarm (monocross)
Shock absorbers:
Front shock absorber Coil spring/oil damper
Rear shock absorber Coil spring/oil damper
Wheel travel:
Front wheel travel 160 mm (6.30 in)
Rear wheel travel 180 mm (7.09 in)
Electrical:
Ignition system D.C. C.D.I.
Generator system A.C. magneto
Battery type YTX14AH
Battery capacity 12 V 12 Ah
Headlight type: Krypton bulb
Bulb wattage ×quantity:
Headlight 12 V 30 W/30 W ×2
Tail/brake light 12 V 5 W/21 W ×1
Meter light 14 V 3 W ×1
Indicator lights
Neutral 12 V 1.7 W ×1
Reverse 12 V 1.7 W ×1
Oil temperature 12 V 1.7 W ×1
Four-wheel drive 14 V 1.7 W ×1
Item Standard
GENERAL SPECIFICATIONS

–5 –
SPEC
MAINTENANCE SPECIFICATIONS
ENGINE
Item Standard Limit
Cylinder head:
Warp limit ---- 0.03 mm
(0.0012 in)
Cylinder:
Bore size 82.970 ~ 83.020 mm
(3.2665 ~ 3.2685 in)
83.100 mm
(3.2720 in)
Taper limit ---- 0.05 mm
(0.0016 in)
Out of round limit ---- 0.01 mm
(0.0004 in)
Camshaft:
Drive method Chain drive (left) ----
Cam dimensions
Intake “A”40.62 ~ 40.72 mm
(1.5992 ~ 1.6031 in)
40.52 mm
(1.5953 in)
“B”32.18 ~ 32.28 mm
(1.2669 ~ 1.2709 in)
32.08 mm
(1.2630 in)
Exhaust “A”40.62 ~ 40.72 mm
(1.5992 ~ 1.6031 in)
40.52 mm
(1.5953 in)
“B”32.18 ~ 32.28 mm
(1.2669 ~ 1.2709 in)
32.08 mm
(1.2630 in)
Camshaft runout limit ---- 0.03 mm
(0.0012 in)
A
B
MAINTENANCE SPECIFICATIONS

–6 –
SPEC
Cam chain:
Cam chain type/No. of links 92RH2005/110 ----
Cam chain adjustment method Automatic ----
Rocker arm/rocker arm shaft:
Rocker arm inside diameter 11.980 ~ 11.998 mm
(0.4717 ~ 0.4724 in)
12.058 mm
(0.4747 in)
Rocker arm shaft outside diameter 11.961 ~ 11.971 mm
(0.4709 ~ 0.4713 in)
11.931 mm
(0.4697 in)
Rocker-arm-to-rocker-arm-shaft clearance 0.009 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
0.080 mm
(0.0031 in)
Valves, valve seats, valve guides:
Valve clearance (cold) IN 0.06 ~ 0.10 mm
(0.0024 ~ 0.0039 in)
----
EX 0.16 ~ 0.20 mm
(0.0063 ~ 0.0079 in)
----
Valve dimensions
“A”head diameter IN 39.9 ~ 40.1 mm
(1.5709 ~ 1.5787 in)
----
EX 33.9 ~ 34.1 mm
(1.3346 ~ 1.3425 in)
----
“B”face width IN 2.26 mm (0.0890 in) ----
EX 2.26 mm (0.0890 in) ----
“C”seat width IN 1.2 ~ 1.4 mm
(0.0472 ~ 0.0551 in)
1.6 mm
(0.0630 in)
EX 1.2 ~ 1.4 mm
(0.0472 ~ 0.0551 in)
1.6 mm
(0.0630 in)
“D”margin thickness IN 1.0 ~ 1.4 mm
(0.0394 ~ 0.0551 in)
----
EX 0.8 ~ 1.2 mm
(0.0315 ~ 0.0472 in)
----
Stem outside diameter IN 6.975 ~ 6.990 mm
(0.2746 ~ 0.2752 in)
6.950 mm
(0.2736 in)
EX 6.955 ~ 6.970 mm
(0.2738 ~ 0.2744 in)
6.915 mm
(0.2722 in)
Guide inside diameter IN 7.000 ~ 7.012 mm
(0.2756 ~ 0.2761 in)
7.03 mm
(0.2768 in)
EX 7.000 ~ 7.012 mm
(0.2756 ~ 0.2761 in)
7.03 mm
(0.2768 in)
Stem-to-guide clearance IN 0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
0.080 mm
(0.0031 in)
EX 0.030 ~ 0.057 mm
(0.0012 ~ 0.0022 in)
0.100 mm
(0.0039 in)
Item Standard Limit
Head Diameter
B
Face Width
C
Seat Width
D
Margin Thickness
A
MAINTENANCE SPECIFICATIONS

–7 –
SPEC
Stem runout limit ---- 0.01 mm
(0.0004 in)
Valve seat width IN 1.2 ~ 1.4 mm
(0.0472 ~ 0.0551 in)
----
EX 1.2 ~ 1.4 mm
(0.0472 ~ 0.0551 in)
----
Valve spring:
Inner spring
Free length IN 39.9 mm (1.57 in) 37.9 mm
(1.49 in)
EX 39.9 mm (1.57 in) 37.9 mm
(1.49 in)
Set length (valve closed) IN 33.6 mm (1.32 in) ----
EX 33.6 mm (1.32 in) ----
Compressed pressure
(installed) IN 104.9 ~ 120.6 N
(10.7 ~ 12.3 kg, 23.58 ~ 27.11 lb)
----
EX 104.9 ~ 120.6 N
(10.7 ~ 12.3 kg, 23.58 ~ 27.11 lb)
----
Tilt limit IN 2.5°/1.7 mm
(2.5°/0.07 in)
EX 2.5°/1.7 mm
(2.5°/0.07 in)
Direction of winding
(top view) IN Counterclockwise ----
EX Counterclockwise ----
Item Standard Limit
MAINTENANCE SPECIFICATIONS

–8 –
SPEC
Outer spring
Free length IN 43.27 mm (1.70 in) 41.27 mm
(1.62 in)
EX 43.27 mm (1.70 in) 41.27 mm
(1.62 in)
Set length (valve closed) IN 36.6 mm (1.44 in) ----
EX 36.6 mm (1.44 in) ----
Compressed pressure
(installed) IN 235.4 ~ 251.1 N
(24.0 ~ 25.6 kg, 52.92 ~ 56.45 lb)
----
EX 235.4 ~ 251.1 N
(24.0 ~ 25.6 kg, 52.92 ~ 56.45 lb)
----
Tilt limit IN ---- 2.5°/1.9 mm
(2.5°/0.07 in)
EX ---- 2.5°/1.9 mm
(2.5°/0.07 in)
Direction of winding
(top view) IN Clockwise ----
EX Clockwise ----
Piston:
Piston to cylinder clearance 0.040 ~ 0.060 mm
(0.0016 ~ 0.0024 in)
0.150 mm
(0.0059 in)
Piston size “D”82.920 ~ 82.970 mm
(3.2646 ~ 3.2665 in)
----
Measuring point “H”5 mm (0.20 in) ----
Piston offset 0.5 mm (0.0200 in) ----
Offset direction Intake side ----
Piston pin bore inside diameter 19.004 ~ 19.015 mm
(0.7482 ~ 0.7486 in)
19.045 mm
(0.7498 in)
Piston pin outside diameter 18.991 ~ 19.000 mm
(0.7477 ~ 0.7480 in)
18.971 mm
(0.7469 in)
Item Standard Limit
H
D
MAINTENANCE SPECIFICATIONS

–9 –
SPEC
Piston rings:
Top ring
Type Barrel ----
Dimensions (B ×T) 1.2 ×3.3 mm (0.05 ×0.13 in) ----
End gap (installed) 0.20 ~ 0.40 mm
(0.008 ~ 0.016 in)
0.65 mm
(0.0256 in)
Side clearance (installed) 0.03 ~ 0.08 mm
(0.0012 ~ 0.0032 in)
0.13 mm
(0.0051 in)
2nd ring
Type Taper ----
Dimensions (B ×T) 1.5 ×3.4 mm (0.06 ×0.13 in) ----
End gap (installed) 0.20 ~ 0.40 mm
(0.008 ~ 0.016 in)
0.75 mm
(0.0295 in)
Side clearance 0.03 ~ 0.07 mm
(0.0012 ~ 0.0028 in)
0.13 mm
(0.0051 in)
Oil ring
Dimensions (B ×T) 2.8 ×2.8 mm (0.11 ×0.11 in) ----
End gap (installed) 0.3 ~ 0.9 mm (0.01 ~ 0.04 in) ----
Crankshaft:
Crank width “A”58.95 ~ 59.00 mm
(2.321 ~ 2.323 in)
----
Runout limit C1 ---- 0.03 mm
(0.0012 in)
C2 ---- 0.03 mm
(0.0012 in)
Big end side clearance “B”0.35 ~ 0.85 mm
(0.0138 ~ 0.0335 in)
1.0 mm
(0.04 in)
Big end radial clearance “E”0.004 ~ 0.023 mm
(0.0002 ~ 0.0009 in)
----
Item Standard Limit
T
B
B
T
B
T
E
A
B
C1 C2
MAINTENANCE SPECIFICATIONS

–10 –
SPEC
Balancer:
Balancer drive method Gear ----
Automatic centrifugal clutch:
Clutch shoe thickness 1.5 mm (0.06 in) 1.0 mm
(0.04 in)
Clutch-in revolution 1,950 ~ 2,350 r/min ----
Clutch-stall revolution 3,350 ~ 3,850 r/min ----
Transmission:
Main axle deflection limit ---- 0.08 mm
(0.0031 in)
Drive axle deflection limit ---- 0.08 mm
(0.0031 in)
Shifter:
Shifter type Shift cam and guide bar ----
Air filter oil grade: Engine oil ----
Carburetor:
I. D. mark 5UH1 00 ----
Main jet (M.J) #130 ----
Main air jet (M.A.J) #70 ----
Jet needle (J.N) 5ETY1-2 ----
Needle jet (N.J) P-2M ----
Pilot air jet (P.A.J.1) #80 ----
Pilot air jet (P.A.J.2) 1.3 ----
Pilot outlet (P.O) 0.8 ----
Pilot jet (P.J) #17.5 ----
Bypass 1 (B.P.1) 0.8 ----
Bypass 2 (B.P.2) 0.8 ----
Bypass 3 (B.P.3) 0.8 ----
Pilot screw (P.S) 1-1/2 turns out ----
Valve seat size (V.S) 2.0 ----
Starter jet (G.S.1) 57.5 ----
Starter jet (G.S.2) 0.9 ----
Throttle valve size (Th.V) 100 ----
Float height (F.H) 13.0 mm (0.51 in) ----
Fuel level (F.L) 4.0 ~ 5.0 mm (0.16 ~ 0.20 in) ----
Engine idle speed 1,450 ~ 1,550 r/min ----
Intake vacuum 32 kPa (240 mmHg, 9.4 inHg) ----
Item Standard Limit
MAINTENANCE SPECIFICATIONS