Fuel Filter; Operation Of Throttle; Idle Speed Of Carburetor; Check Leaks Along Air Supply - Lifan LF 150-10B Owner's Manual

FUEL FILTER (EP)
(Fig. 30)
The fuel filter is a fuel cock strainer. Remove the plug by turning it in B direction, take out
the strainer and clean it in gasoline. Reinstall the parts in the reverse order.
Fig. 30
Strainer Cup

OPERATION OF THROTTLE

(Fig. 31)
Check for smooth rotation of the throttle grip
from the fully open to the fully closed position at
both full steering position.
Measure the throttle grip free play at the throttle
grip flange. The standard free play should be
approx. 2-6mm.To adjust the free play, loosen the
locknut , turn the adjuster. Adjustment over, fas-
ten the locknut.
IDLE SPEED OF CARBURETOR (EP)
( Fig. 32)
The carburetor is installed between the engine
and air cleaner.
NOTE
The carburetor has been set accurately in
factory. The user only needs to adjust idle speed
after the engine is warmed up.
Adjust idle speed with the throttle stop screw
to set idle speed at about 1500r/min. Turn the
screw in direction A will increase idle speed, in
direction B decrease idle speed.
ＬＦ １５０－１０Ｂ（ＥＮＧＬＩＳＨ）Ａ．ｐ６５ 16
When the engine has no idle speed or runs at a decreased speed, set the throttle stop
screw in the middle between the two limit positions to help mix air and fuel.
Run the engine again. Readjust the throttle stop screw, if necessary.
CAUTION Since the carburetor is a precision apparatus, don't disassemble it without
the professional knowledge.
CHECK LEAKS ALONG AIR SUPPLY LINE (EP)
Check regularly air supply line, specially such as the joint between the muffler and engine,
the joint between the air cleaner, carburetor and inlet pipe, etc. for leakage, and repair or

Fuel filter

replace damaged parts once there are some troubles to assure a normal air supply, and avoid
polluting the environment.
ADJUSTMENT OF CLUTCH
Measure the clutch lever free play at the clutch lever flange. The free play should be 10
P l u g
20mm. Adjustment of the clutch should be done with the engine stalled.
Turn loose the locknut at the clutch cable holder located on the crankcase, and then
make adjustment by screwing in or out the corresponding adjusting nut. After adjustment,
tighten up the locknut.
Throttle grip Locknut
Fig. 31
Adjuster

DRIVE CHAIN

Throttle stop
Check
screw
Check the drive chain for wear and slack. Lubricate the chain if it seems to be dry.
Fig. 32
Slack should be 10-20mm. Support the motorcycle with the center stand, check slack in
the lower chain run midway between the sprockets.
(Fig. 33)
Fig. 33
Locknut
Clutch cable holder
Boot
(Fig. 34)
2012-4-23, 9:33