Valve Clearance Check; Adjustment - TOHATSU BFT75A Service Manual

4 stroke outboard motor
Hide thumbs Also See for BFT75A:
Table of Contents

Advertisement

dummyhead
dummyhead
MAINTENANCE
THROTTLE ARM NOT IN FULL OPEN POSITION OR
THE THROTTLE CAM NOT IN FULL OPEN
POSITION
1. Remove the following:
– Under cover (page 19-23)
– Grip rubber and grip pipe (page 19-27)
2. Loosen the lock nut [1] of the tiller handle side
throttle cable pivot [2] and turn the throttle cable
pivot so that the throttle arm is in the full open
position or the throttle cam is in the full open
position.
3. After adjustment, tighten the lock nut to the specified
torque.
TORQUE: 1.3 N·m (0.13 kgf·m, 1.0 lbf·ft)
4. Install the following:
– Grip pipe and grip rubber (page 19-38)
– Under cover (page 19-45)

VALVE CLEARANCE CHECK/

ADJUSTMENT

• Valve clearance inspection and adjustment must be
performed with the engine cold.
1. Remove the following:
– Engine cover
– L./R. engine under cover (page 6-5)
– Under cover rear bracket (page 6-15)
– Cylinder head cover (page 14-15)
– Alternator cover (page 7-5)
2. Move the remote control lever or shift lever to the "N"
position.
3. Attach the wrench [1] to the rotor bolt/washer [2] and
turn the alternator rotor [3] clockwise.
With the "UP" mark [4] on the cam chain driven
sprocket facing up, align the "I" marks [5] with the
cylinder head upper surface. (The No.1 piston is at
top dead center of its compression stroke at this
time.)
• Do not turn the alternator rotor counterclockwise.
3-12
[2]
[2]
[5]
[4]
[1]
[1]
[3]

Advertisement

Table of Contents
loading

This manual is also suitable for:

Bft 90a

Table of Contents