Engine; Valve Clearance Adjustment - Yamaha XZ550RJ 1982 Service Manual

ENGINE

Valve clearance adjustment

Adjust the valve clearance as follows:
NOTE:
Valve clearance must be measured when the en-
gine is cool to the touch.
1. Remove the seat, and remove the side cov-
ers, fuel tank, air filter assembly, and crank-
case ventilation pipes.
1. Fuel tank holding bolt
CAUTION:
After removing the air filter assembly, cover the
carburetors with a clean rag to prevent dust or
any foreign materials from entering.
2. Remove the radiator cover and the radiator
securing bolts. Gently and firmly push the
left side of the radiator assembly towards the
front wheel. The right side of the radiator and
connected pipes should remain in place.
NOTE:
It is not necessary to completely remove the radiator
from the motorcycle.
3. Remove the air baffle plate from behind the
front cylinder and remove the right side
frame tube.
1. Air baffle plate
1. Down tube frame
4. Disconnect the spark plug cap from each
cylinder head.
5. Remove the cylinder head covers.
NOTE:
Be careful so that the oil plugs on the camshaft caps
are not lost.
1. Oil plug
6. Remove the emblem plate and timing plug
from the left-side crankcase.
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