Yamaha FZR400 1988-1989 Service Manual page 210

ENGINE ASSEMBLY AND ADJUSTMENT pi&j
Lubricate the camshaft bearing surfaces,
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cam lobes and cam journals.
Molybdeum Disulfide Oil
install the intake camshaft @ .
Be sure the timing marks @I on the camshaft
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face upward.
the exhaust side.
Remove the retaining wire @ .
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Do not turn the camshaft separately or
damage to the piston and valve will result.
Install the camshaft caps.
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camshaft cap marks @ .
NOTE:
*The numbers are punched on the camshaft
caps in increments from right to left.
Do not install the bolts at $6 marked place in
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this stage.
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Tighten the bolts (Camshaft caps).
NOTE:
Tighten the camshaft caps in a crisscross
pattern from innermost to outer caps.
A
The cam caps must be tightened evenly or
damage to the cylinder head, camshaft caps
and cam will result.
Bolts (Camshaft
10 Nm (1 .O me kg, 7.2 ft. lb)
4. Install:
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Cam chain guide (Upper) @
Cap):