Yamaha SL338D - Autolube

7-3 AUTOLUBE
1. The autolube tank should be supplied with YAMA-
LUBE or another suitable oil for two-stroke aircooled
engines. Check the rubber ho
se from the tank to the
oil
pump for obstructions from pinching or damage.
Note:
Two stroke oil is recommend ed for the extra added
protec
tion it offers. However automotive oil of SAE
'' MS'' designation is suitable. Use a 1 OW -30 weight.
Fig . 7-37
ENGINE MAINTENANCE -Autolube
2. Adjustment of the pump.
1) Fully open the carburetor throttle valve.
2) Turn pump control lever so that it is set to the
match mark on the
oil pump.
(Adjust
ca~ be made by turning the pump control
rod nuts.)
3)
After adjustment fully tighten the nuts, by holding
bottom nut while tightening top nut.
'
When fully open the carburetor, mold as shown in Fig.
7-38 and adjust
to the marking .
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Fig. 7-38
Pump control lever r\
Full thr ott le \ \
At maximum str oke of the pump d i smounted from the snowmobile
'
\
\
I 0
I ~~
----
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'
•
.
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I
I
-- , I
I '6
I (0
o I
o 1
~ /
Thro ttle opening at idling speed
I
•
I
.... --
I
\
Carburetor
·- - Pump control rod
\ \
Sharded-portion (Anti-freezing grease is applied)
\ /
Adjust pulley cove r
\
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•
Note:
When overhauling the oil pump, feed 0.4 gr of
anti-freezing grease (Aero Shell 7A or Beacon 325) into
the pump control box.
Fig. 7-39 •
-89-
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