Yamaha SR250G Service Manual page 12

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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.
clearance.
5 Align tre 'T" mark on tha flywheal with :

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