Yamaha SR250G User manual

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YAMAHA
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SR250G
Service Manual

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CHAPTER 1.
MOTORCYCLE IDENTIFICATION
EXTERNAL VIEW...
SPTCIAL TOOLS
GENERAL INFORMATION
seed
12
1-2

CHAPTER 1.
GENERAL INFORMATION
MOTORCYCLE IDENTIFICATION
The freie sera! aunber -s located 07 the
right--and side of te head pive The frst
these digi:s identity the model. “his 5 fo -
lowina by a dass. fhe remaining digits
identify the production number of ee unit.
The engine serial number is locates on a
raised hess on the .pner reas. nght-hand side
of the engire Engine idenzfication follows
the some code as ‘rsme iden: fication.
Starting Sarlal Number
YE OI
Large seat sume

EXTERNAL VIEW
VEHICLE EMISSION
CONTRO
BATTERY
CAUTION LABEL
iy
SPECIAL TOQLS
Mo. vowwe 08112 20)
No. 90890-0302 1-5¢)
" (P/Na, 90892-03007-00)
liegt (Pec. 90890-01238.00)
(Pith, 80380.01°89-06)
Lutes natane toot mts, at wou a a2 vd
Crankcase separating “oct |P/Na. 9080-01 136-20)
Tappa sd wsting al 790, 99880-2131 1.00)
Front fork evinder co-malte hotder
(n/Mes 90690.073 04.20
‘Thype hard @(P/Me 30590-01301-09)
ing mt wrench (P/N 90890-07266-00)
‘Spoke wienen (P/Mo, 90899-0808 7.00),
NFORMATION LAREL
PLATE SC
“4
preg compressor (#/No. 80890-01263.00)
wwe (P/No. 80090-21227-00)
Pir. WuEED-
21. Aches mc suet oiler we 9%
Pmt. 90820.

MAINTENANCE AND LUBRICATION CHART
ENGINE
CHASSIS
CHAPTER 2.
PERIODIC INSPECTIONS AND ADJUSTMENTS
Introduction
Maintenance Interval Charts
Periadic Maintenance Emission Control System
General Maintenance/Lubrication.
Carburetor. iG
Air Fiter
Engine Oil
Engine Oil and Oil Filtor Replacement
Clutch Adjustment
Froe Play Adjustment
Cam Chain Adjustment
Valve Clearance Adjustment
Fue! Petcock
Front Brake and Wheel
Front Brake Adjustment
Spoke Adjustment and Torque...
Front Axle
Tire Pressure r
Roar Brake and Wheel
Hear Brake Adjustmer
Brake Lining Inspection...
Spoke Adjustment anc Tension.
Rezr Axle
Tire Pressure
Drive Chain Tension Check
Drive Chain Tension Acjustment.
Drive Chany Lubri¢ation
Front Fork Oil Change : :
Suspension, Steering and Swing Arm...... Reet y
Rear Shock Ahsarher
Cable Inspection and Lubricat
Throttle Cables and Grip Lutri
Lubrication of Levers. Pedals, etc.
ation
ELECTRICAL... erent
Ignition Timing
Spar< Plug

CHAPTER 2.
PERIODIC INSPECTIONS AND ADJUSTMENTS
MAINTENANCE AND LUBRICATION CHART
Introduction
This cheptor includes all information neces-
sary to perform recommended inspection
end adjustments. These preventative main-
tenerce procedures, if followed. will insure
more reliable vehicle operation and 2 longer
service life The need for costly overhaul
work will be greatly “aduced. This informa-
tion applies not only to vehicles already in
service, but also to new vehicles thst are
being propered for salo. Any sorvico tech
ncian performing preparation work should
he familiar with th's entire chantor
Periodic Maintenance
Maintenance Intervals Charts
Proper periodic maintenance is important
Especially important are the maintenance
services related to emissions control, The:
controls not only function to ensure cleaner
ait bul ary also vita! to proper engine opera
tion and maximum performance. in the fol-
lowing tables of periodic maintenance. the
services related to emissions control are
grouped seperately.
Emission Control System
forere
Treveater voy
200 km
000 bn
©2500 m)
| Cars chain
‘Drax caustcha cn
Valve
clearence
woreneas
ne RGUEVEve Cena ca wha
Spubeky
Crankease ventiaticr
Root mereary
Check a sine Re yim
{ebace aint nese
‘aoe fo hoe or ercke cr image
eee ee
7
‘heck ad eds magia le sowed
aks’ cab x pay Wneaeary
1
‘Teievecommenced hat hase arma oe sunvccd bya Yarwha Seas or 2the Cuan
2

General Maintenance/ Lubrication
‘ Thisvecammenced sat shave have mawcud bya Vorane dese 0 hw"
T ‘Thereaher evary
| ion = Zo0cke | £000km | 15002 ww
Be ies evome | HoCEm) | (9 500m)
aréments [ort2 mons or tami
il 1 [Werwmore | aman Rat 2 o ©
foe ar faorsze rows
[petormaanee | Sre"SE motan ot z
Tes wer
1 he eB
2 |Olemoner _ | iemantandcaen = 2 ¢ e
Wet format
” tewaiedes | Yemebe acre | « 2
Syeaon vase
femal esi
ay = °
Ca ee PT = 0 < 3 IE
ee Varaha chan ane
5 | Drvecnon APY CRANE | Seno cr bab hock nai ncn a bs oer 800 hm (300
wg JONV/30 moter
Yarrana cra mane
7 depycdankbe | Meubeciiar | © « °
Fiesta {TUN/30 motor
3 py nemn qi | Lar 8996 30
c Acumen i MO a
Yarana cana
[Saiecedal —Acpychsnkbe |Site tees Bae © e
Tow 30 mat
Yoreha oe none
Araalewen —Acpychainhin| ]
10 {ete be cr SAE c ¢
feoreivatshahs eee Nicci
ama Depjauanise | Yorabecren sx!
11 [Emre sony smaniube | tla ube or EAE Ca
[bw somnor = 4
Dan swan
12+ | roncion ot Retin c
[rennet seciaten }
Tek traree ]
Simenng a | gem
1ae [Seated Seseme” | Mat pores | « < we
m=
‘every
16.0008m
|
"8"
|
5 2
NOTE:
The air filter should be cleaned moro often than spes fied inzervals if the motorcycle is operated in
extremely dusty area.
22

ENGINE
Carburetor
Idle speed setting procedure
Start the engine 2nd warm it uo for a
few minutes. Set the 2ngire idle speed
to specified r/min, by turning the thro:
tle stop screwy in te increase the engine
speed and tack off the screw to de-
1 thie engine specd
@ tachometer for checking
justing the engine speed
Idle speed
1.200
2. ole mixture
The idle mixture is set 2: the factory by
the use of special equipmem Nat
attampt should 9¢ made by the dealer
ty change this adjustment
3. Throvtle cable adjustment
NOTE:
cle speed should be set before making this
adjustment
The thrattle grip should have s play of 2
~ 5 mm (0.08 ~ 02 in) in the wrning
direction at the grip flange, If the play is
net this range, take the fellowing step
for adjustment
Loosen the adjuster fuck nut on the
throttle cable. and tum the adjuste
or out So the play |S corrcet. A’
avjustmant, bg) les tie ock nut
23
Air Filter
The air filter protects the engine from dirt
which can enter with the intake sir and cause
rend engine wear
This dirt is filterad from
the air dy the air filter element. This mode!
uses a cartridge type air filter element which
consists of foam ruboer moistened with oil
When
his filter element becomes dirty it
should be cleaned
Remove the seat and che side cover
Held)
Remove the air fikter element from its
aase, romove olement from) guide and
ivan with solvent. After clesning, re~
move the remaining solvent by squacz
ing the element

Then apply
equivalent to
squeez® out the excess cil
should be wet but not dripping
When installing the air filter elem
75 case, be sure its sealing surface
hatches purfecty the sealing surface
the case s0 "167 's not air leaksge
ube 2-cycle cil or
and
Element
the entire sur
in
The air filter element should be cleaned
at the specifec intervals It should be
cleaned more often if the motercycle is
cperated in custy or wet areas
CAUTION
The engine should never be run without
the air cleaner element installed: ex-
cessive piston and/or cylinder wear may
result.
1 Ot
1. Oillevel measuremem
uanght position. Warm
several T)nutes
NOTE: HH ___________
Be sure the motorcycle 1s positioned straight
up when checking the oil level: a slignt tit
(ower the sive can produce false readings.
b With the engine stopped, check the nil
evel through 78 level wincow located
at the lower ert of the right side
orankeas® caver
Nore: ————_____
Wait a “ew minutes until the oil ievel settles
before checking
Level wedow
2 Misimam srk
2 Oil capacity
Afzer angine evertaul
1.6 it (1.7 US qd)
Aftor ol! filter replace:
1.311 (1.4 US qd

Engine Oil and Oil Fitter Replacement
;-CAUTION
After replacement of engine oil, be sure
to check the oil pressure in the follow-
ing procedure.
1 Remove the air bleed screw from
oil filter cover, and loosen the check
bolt in the cylindar head.
2 Start the engine and keep it idle
running til! oi! flows out of the
bleed hole. and at the check bolt
(see the following photo).
The check bolt has a slit for checking
oil
Ifo oil comes out even after a lapse |
‘of over one minute, cut the engine
immediately for foar of seizure.
Rustart the eugine after solving the |
problem(s) and recheck the ail pre
sure. |
1. Oil filtor replacement
NOTE:
When replacing the engine cil after the
brook in peroc. clear the oi! strainer a: the
bottom of the engine
a. Star: the enginy. Alle: a few minutes of
warm-up stop the engine
b. Place an cll pan under the engine.
apg
©. Romove the ail fillyr cap, drain pluy and
air bleed screw attached to the oil ilk
ter cover, and crain the engine oll.
NOTE: ———
12 oil filter cover is secured by three
ews. The lower one should be \oosened
until the Uhreaded portion comes out com-
oletely.
1 Bible! sm
CAUTION:
When remaving the drnin plug, the
| compression spring, oi strainer and O-
| ring will fall off. Take care not to lose
these parts.

Ud. Remove te vil filigy cover. and replace
the filter element
1. Fite element Ora
6 Install the crair plug. air’ bless screw
oil filter and oi
er cover
CAUTION
Before reinstalling the drain plug. do no’
forget to fit the O-ring, compression
spring and oil strainer
| Drain plug torque
| 3.2 m kg (23.0 ft-lb)
f Add 13 liters of engine oil, Install the
cll filler cap anc tighten. Use Yamalube
4-cycle oll or SAE 20W/40 type “SF
oil
@ Start he encine and allow a few
minutes cf warm Lp. While warming uo.
check ‘or oil leakage. IF ol) leaks, stop
the engine mmediately, and check for
Ine cause
bh After wacm up, stop che engine ard
chock the 0) level. (Refer to pege 2-4
Engine Oil!
Regular oil replecemert (without re-
placing filter)
ps
2. Start the engine and stop sfter 8 faw
minutes af warm up.
b. Plzce en oll recever under the engine,
5 Remove the oil filler cep, drain pllig eno
air bose screw attsched to the oil fiktar
cover
NOTE:
The oil filter cover is secured oy three
screws. The lower one should be removed so
that the filter cavity will drain,
d. Check each O-ring If damaged -eniace
¢. instal the drain bolt cnc tha bleed
screw.
4 Acd 13 liters of engine oil Install the
oll filler cap and tighton.
G Sait the engine and allow a few
minutes of werm-up
While warming up, chuck [or oil
lesxage. It 0) eaks, stop the engine
immediately, and check fer the cause.
bh Stop the engine and clieck the ui level,
(Refer to page 2-4. “Lrgine Oil”)
Clutch Adjustment
This model has two cluzch czble lenath ad
justers ard a clutch mechanism adjuster
Cabla length adjusters are usec tc take uo
slack from cable stretch and 20 provide sut-
ficient free play for proper clutch operation
under various operating conditions. The
clutch mechanism adjuster \s used to provide
the correct amount of olutch “threw” for
proper disengagement (see 2age 3-24)
Normally, once the mechenism is pmperly
edjested, the only adjustment required is
maintenance of free play at the clutch
handlebar le er
Free Play Adjustment
Leosen the handlebar lever adjuster lock nut
Next turn the lencth ad uster gither in or out
umil proper lever free play iz achieved

NOTE
Scot tre engine. While keoping it idiing
check the movement of the push rod, If it
moves sug u gusenernnconec th
does not move at all, the adjuster is wu
tight Loosen tre adjuster so the push red
moves slightly
6. Tighten the adjuster lock aut. e
7. Install the adjuster cap and the |e
Cam Chain Adjustment
1.
Remove
the
left
crankcase
cover.
Adjuster
lock nut
torque
Batata
a
cede
state
iia
shotNtee
3.0
sn-hy
(22
ft-lb)
e@
clockwise direction viewed from the
let side of the engine) to place all slack iF
Adjuster cap tightening torque
0.5 mn-kg (3.6 ft-lb)
in the rea of the on'n tansioner
Align the "T” mars er toe flywheel with
the timing mark 07 the crankcase at the
compression stroke,
‘alve Clearance Adjustment
1. Remove the seat
2. Tur the fual peccock to "ON" and dis-
connect the fl pipe
3. Remove the bolt sscuring the fuel tank
rote fame ardor ahi ns @)
4 Hlemovs intake inc exhaust toapet |
covers and left crankcase cover
Romave tho a¢)ustor cap,
Louser the adjuster locs nut,
5, Turn the adjuster in until the push rod
(inside the adjuten is flush with the end
of the adjuster
-
1. intake tsopsteown 2. atauet opel come
the timing mark on the crankcase
This places the piston at the top dead
center and 12 valve clearance should
be crecked anc adjusted at T.D.C, on
the compression stroke by abse-ving
when the valve adjustors have clear e@
ance.
ped
i
Sao
aaa
©.
Use
a
feeler
cauce
to
determine
tre
clearance.
5 Align tre ‘T” mark on tha flywheal with :

Imake va ve (Cold
0.05 -~ 0.10 mm (0.00? ~ 0.004 in)
Fxhanst valve (Cold)
0,12 ~ 0.17 mm (0.005 -~ 0.907 in)
7. Loosen the valve adjuster lock nut, Turn
thw aujuster in or out to obtain the cor-
rect clearance. Hold the adjust2r to pre
vent and. thoroughly
tighten the lock nut
Recheck the clearance
it from moving
(or tightening.
NOTE; -
Valve clearance check and adjustment
shaule b¢ dene when the engine is cold
covers enc lef: crankcase cover:
9. Invall the fuel tark and sear
10. Gonneer the fie! pipe.
CHASSIS
Fuel Petcock
First, drain out the fuel <ank and move
the fue! pipe.
Loosen the fuel cock securing bolts
‘and romove the fuel cock assembly
from fuel tank.
Clean the attached filter with sulvent.
Examing thy fille: and replace it dem-
ages
cot the gesker, revlave
and install the outlet fitting.
la naged
Front Brake and Wheel
Front Brake Adjustment
The front orake should bu adjusted iv suil
nicer preterence within 2 5 -~ B mm (G2 -~
03 in) “es play at the lever oivat side. Ad-
no
s accomplished al ene 0 two
laces; either the hendlebar lever holder or
the front brake hub
Loosen the lock nut
Tum the cable length adjuster in or out
until adjustment is suitable
Jighten the lock nut
If proper adjustment can not be
Bu
ublained at the randiebar lever holder,
make a brake hub adjustment
28

Spoke Adjustment and Torcue
2. Raise the wheel off th= ground
Spin wheo!
Check rim run out as shown in illustra-
tion
Rim runout limits
Vertical: 2.0 mm (C 08 in)
2.0mm (6.08 in)
= —4
|
Lateral
ra gage
bh Cheek earn spake for tightne
Spoke torque
Front wheel: 0.3 m kg (2.2 ft-lb)
Fuar wheel; 0.3 m-ha (2.2 ft-lb)
Front Axle
Check axle nut
Front axle nut torque
10.7 wnicke (77 5 Felt: |
Tire Pressure
Sev page 5-3 “Instal
Rear Brake and Wheel
Rear Brake Adjustment
1. Pocal height
2, Loosen tre adjuster lock nut (for peda
height!
9. By tuning die adjuster bolt clockwise
cr counterclockwise sd).ist the hrake
pedal position so that ts top and is
appius, 15 mm (0.6 in} below se
toctrest top end
ce. Secura the sdjuster luck m
WARNING:
Alter adjusting the pedal height, the
brake pedal free play should bo adjustod. |
2. tree play
Turn the sdjuster an tho brake rod
clockwise oF counterclozawise to pio-
vide the orake pedal end with a free ploy
of 20 ~ 30mm (0.B~ 1.2 inl.
.
hin a or weal my
1S OE)
20~30mmi8~ 126
Brake Lining Inspection
To chezk. see the wear indicator position
while depressing the brake pedal or oulling
the brake Inver. the ineleator reaches ta the
wear limit ling to replace the shoes,

Front
Spoke Adjustment anc Tension
Adjust rear wheel sooxa tension por front
wheel instructicns,
Hear Axle
Check axle nur.
Rear axle nut torque
10.7 m-kg (77.5 ft-lb)
Tire Pressure
See page 5-3 “Installation”
Drive Chain Tension Cheok
Note:
Before jecking and/or adjusting, rotate the
wiwel though several revolutions and
check tension at sevars| pomts to find the
tightest point, Check end/o- adjust the chin
tensor with the rear wheel in this “tightest”
pos ior
Inspect the drive chain with the center
stand put. Check the tension at the pesition
show in the illustration. The normal vertical
deflection is approximately 25 ~ 35 mm
110 ~ 1.4 in) If the deflection exceeds 35
mn (14 in) adjust *he chain tension
Drive Chain Tension Adjustinent
1. Locsen the rear brake adjuster
Re 2tabo odiustr
2. Remove the cotter pin of the rear whee!
axle nut with pliers,
3. Locson the rear whee! axle nut.
4. Ture the chain puller both left and right
unt! exle is situated in same puller slot
position on each side.

6. Tighten the rear axle rut
Axle nut torque:
10.7 m-kg (77.5 fretb)
6. Insott the cotie’ pin inte the rear wreel
an\¢ nut and bend he end of the cotter
pin es shown in the illustration (if the
nut notcli and the cotter pin hole do not
tighten the nut slightly to
match,
match)
7. In Ue final styp, adjust the pay in the
brake pedal
CAUTION: ——
Excessive chain tension will overload
the engine and othor vital parts: keop
the tension within the specified limits.
Also, replace the rear axle cotter pin
with @ new one
Drive Chain Lubrication
1. First. remove dirt and mud from the
chain with a brush of cloth and then
sprey the lubricant between bozh rows
of side platos snd un all cuatr ro'lers,
To clean Lie entire chain, first remove
the chain from the motoroycle. dip it in
sclvent and olean uu as possible, Then
take Ue chain out of t1¢ solvent and dry
It Immediately. lubrcate the chain to
provent the forrmativi) of rust
nN
tecommended |uoricart
Yamaha chain end cable lube or
SAE 10W/30 motor oi!
Front Fork Qil Ghange
WARNING
1. Raise the motorcycle or “emove the
front wheel 60 that there is no weight
on the front end of the matnrnycle Re-
move the handlepar if necessary
Remove the rubber cep from the zop of
each fork:
ho
Securely support the motorcycle so e
there is no danger of it falling ov
1 cw
2 Sacoernne
CAUTION:
Always use a new stopper ring (wire
3. Tre soring seat anc fork spring are re-
tained by @ stopper “ing [spring wire
cuchp). It is necessary to depress the
spring seat and fork spring to remove
the stopper ring. Remave the stopper
ting by carefully prying out one ond with
‘a small screwdriver
4. Place 21 open container under each
drain hole Remove the drain screw
from each outer tube.
5. When most of tne oil has drained,
slewly rise anc lower the outer tubes
to pump out the remaining oil
6. Inspect the drain screw gasket Replace
if damaged Reinsall the drain ssrew.
Pour the specified e mount of oil into the
fork inner tube
Recommended oil
Yamaha fork oil 10Wt or equivalent
~

Quantity pe leg
16800 (5.70
§ After filling slowly pump the ‘orks up
and down to distribute the oil
© Inspect the “O” “ing on the spring seat.
Replace °Q" ring if damaged
10 Reinstall the spring seat. stopper ring
and rubber cap.
Suspension, Steering and Swing Arm
1) Stearing head adjustment
Block the motorcycle up so tat front
wheel is off the ground
© Grnap the bottam af the forks and gan
tly rock fers assembly veckward and
forward, checking for any looseness in
the steering assembly bearing.
©, If the steering head neecs edjustment
remove he handiehar cover and looser
the stearing fitting bolt.
J. Using Wie tine nut wrench, adjust the
steering ring rut urti steering head is
tight without binding when te forks are
turned
Note; —————_________
Excessive tightening of this 7ut will cause
Favid weat of the ball bearings anc races.
Re-chenx for and. freedam of
movement
onseness
¥. Tiylitvn the steering fitting bolt
NOTE
After completing tie steering adjustment
make certain forks >ivot trem stap to stop
without nindirg, IF binding io noticed, repeat
adjustment.
? ension
a. Cleck the all suspension components
fer prozer operation
hh Cneck the all suspension fittings for
proper Lv atness.
3 Swing arm
a. Crock fer fraedom of up snd down
movement
b Crecksice to side freeplay
Swing aim free play
1.0 mm [0 04 in) at end of swing arm
c. Check the all secunng belts tor proper
tightness

Rear Shock Absorber
See Chaprer 5 Rear Sheck Absorber
The spring preload oF the rear shock absorb-
ers can be adjusted co suit ndev pre!
and tiding canditions If ine spring sent
raised. the sprqg becomes suffer and if
lowered the saring be=o
rence
s softer
WARNING:
Always adjust the shock absorbers on
each side to the same position.
Uneven adjustment can cause poor
handling and loss of stability.
0 Ste Som
Cable Inspection and Lubrication
1 Damage to the outer housing of the
various cables, may cause corrosion a
often frre movement will be imp
An unsafe condition may result so re-
place cables as soon as pessinle
if the cables donot
inner operate
smoothly. lubricate or replace them.
Recommended lubricant
‘Yamaa chain and catle lube or
SAE 10W/30 mi
Throttle Cables and Grip Lubrication
The throttle nvist qria assembly should ae
gteased at the time that the caoles sre
ubricated, since te gri Test Le removed to
get at the ends of the throttle
Twa screws hold the thrett!2 housing to che
nardlebar. Once these two screws are re-
maved, the #nds of the cables can be held
nigh to pour in several drops of lube
With the throttle grip disassemaled, coat the
metal surfaces af the grip assembly wit
suitable all-purpose grease to cut down
tion,
Lubrication of Levers, Pedals, etc.
1 Lubneate the pivoting par of me brake
and clutch levers with recommended
lubricant,
Recommended lubricant:
Yamnana chain and cab|2 lhe or
SAE 10VW/30 motor oll |
Lubricate the shaft of the brake pedal
with lithium soap grease,
ELECTRICAL
Ignition Ti
1. Checking the ignition timing
(anition timing is chacked wit) & timing
Juli by cbserving the position of the
mark on the case and the marks on the
rotor
4. Remove the crankcase cover (L)
Connect the timing light zo ths spark
plug lead wire
c. Start the engine ed keep it “unning at
the specified speed.
d, The incex projection on the crankcase
must be between the tivo marks for fir
ing on the rotor
MW net, refer to Chapter 6 * Ignition Sys-
tem
Speci ec idling sneed. 7.200 r/min

ais onion fn ee
Mageeeroe | ee ge
acorn ae
NOTE
Ignition timing is not adjustable
UR cc fet et ea op ea
name rin ix 10
Spark plug
The life of a spark plug and its disenioring
vary according to the habits of the ricer. Az
each periodic inspection, replace sumed or
fouled plug with naw ones of the specified
tyoe It is actually economical to install new
plug often sinse it will tend 10 keep the
‘engine in good condition and prevent exces-
sive fuel consumption
1. The spark pig should be inspected
and oleance at the specifiad intervals.
Clean the electrodes of cartor and ad-
just the electrode cap to the specifica-
tian
3. Be sure to use the proper reali, type
and electrode gap plug as 2 replace-
ment to ovoid cverheating. fouling or
piston dainage.
we
Type
BP7ES (NGK) or W22EF (ND)
Electrode gap
0.7 ~ 6.8 mm (0.028 ~ 0.031 in!
Tightening torque
2.0 m-kg (14 5 fb:
reer ony
0 7~ 08mm W022 ~ 0081 w)

CHAPTER 3. ENGINE OVERHAUL
REMOVAL z = a4
Freparat on ‘or Removal caiman 344
Fuel Tans... 285 Se 341
Mu‘fler, Footrest and Brake Pedal $ ates 341
Wi ing and Cables
Caraureror
Drive Chain
Engine Mounting Salts
DISASSEMBLY
Cylinder Head and Gylinde
Piston Pin and Piston
Crankcase Cover (Right) atid Starter Motor... 38
Clutch Assembly and Drive Gear 3-6
Clutch Push Lever Axle 37
Balancer Gear a7
Oil Fump Acsombly. 47
Change Shaft Assembly ald t
Crankisase 38
Transmission 38
Cranksha‘t
INSPECTION AND REPAIRING 3-9
Cylindsr Head. 3-9
Valves, Valve Springs, Valve sand Valve Sems 3-10
Cumstaft und Camshalt Bearing 313
Cylinder. ys
Piston and Piston Rings 3-15
Piston Pin 3.16
Cranbahatt ns i 3.18
Oil Pump. . 3-17
Pritnary Drive 317
Clutch 318
Transmission : 3-18
Bearings a 3-19