Troubleshooting
| Note check that the transmission is in neutral and the engine stop switch is in the “run” position. Grasp the clutch lever. Check that the fuse is not blown and the battery is fully-charged before diagnosing. |

Throttle valve synchronization
Check and adjust the throttle valve synchronization
among four cylinders.
Start the engine and run it in idling condition
for
warming up.
Stop the warmed-up engine.
Lift and support the fuel tank. Refer to “fuel
tank
removal and installation” in section 1g (page ...
Specifications
Service data
Brake
unit: mm (in)
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Rear brake components”
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torqu ...
Valve seat repair
The valve seats (1) for both the intake and exhaust
valves are machined to three different angles. The seat
contact surface is cut at 45°.
Intake valve
Exhaust valve
Caution
the valve seat contact area must be
inspected after e ...