2008 Yamaha Motorsports RS Venture Owners Manual - Page 49

2008 Yamaha Motorsports RS Venture Manual

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Periodic maintenance Before installing any spark plug, measure the electrode gap with a wire thickness gauge and adjust to specification. Spark plug gap: 0.7-0.8 mm (0.028-0.031 in) When installing the spark plug, always clean the gasket surface. Wipe off any grime from the threads and tighten the spark plug to the specified torque. Spark plug tightening torque: 12.5 Nm (1.25 m·kgf, 9 ft·lb) ECS00380 1. Throttle stop screw Standard engine idling speed: 1300-1500 r/min ESU11821 CAUTION: Make sure that the spark plug caps are securely installed. Otherwise the spark plug caps could be damaged due to engine vibration. ESU11792 Adjusting the throttle cable free play ECS00410 CAUTION: Be sure to adjust the engine idling speed first. 1. 2. Loosen the locknut. Turn the adjusting bolt in or out until the specified throttle cable free play is obtained. Adjusting the engine idling speed ECS00390 CAUTION: G G G Be sure to have a Yamaha dealer make this adjustment. Make sure that the throttle lever moves smoothly. Make sure that the carburetor is synchronized first. Start the engine and warm it up. 1. NOTE: Refer to the "Starting the engine" section on page 30. 2. Turn the throttle stop screw in or out to adjust the engine idling speed. 1. Locknut 2. Throttle cable free play adjusting bolt 3. Throttle cable free play Throttle cable free play: 2.0-3.0 mm (0.08-0.12 in) 3. Tighten the locknut. 43

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Periodic maintenance
43
Before installing any spark plug, measure the
electrode gap with a wire thickness gauge
and adjust to specification.
When installing the spark plug, always clean
the gasket surface. Wipe off any grime from
the threads and tighten the spark plug to the
specified torque.
CAUTION:
ECS00380
Make sure that the spark plug caps are se-
curely installed. Otherwise the spark plug
caps could be damaged due to engine vi-
bration.
ESU11792
Adjusting the engine idling
speed
CAUTION:
ECS00390
●
Be sure to have a Yamaha dealer make
this adjustment.
●
Make sure that the throttle lever moves
smoothly.
●
Make sure that the carburetor is syn-
chronized first.
1.
Start the engine and warm it up.
NOTE:
Refer to the “Starting the engine” section on
page 30.
2.
Turn the throttle stop screw in or out to
adjust the engine idling speed.
ESU11821
Adjusting the throttle cable free
play
CAUTION:
ECS00410
Be sure to adjust the engine idling speed
first.
1.
Loosen the locknut.
2.
Turn the adjusting bolt in or out until the
specified throttle cable free play is ob-
tained.
3.
Tighten the locknut.
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Spark plug tightening torque:
12.5 Nm (1.25 m·kgf, 9 ft·lb)
1.
Throttle stop screw
Standard engine idling speed:
1300–1500 r/min
1. Locknut
2.
Throttle cable free play adjusting bolt
3.
Throttle cable free play
Throttle cable free play:
2.0–3.0 mm (0.08–0.12 in)