ENG
R-93
ENGINE INSPECTION AND REPAIR
4-21
TIMING CHAIN, SPROCKETS AND
CHAIN GUIDES
1. Inspect :
• Timing Chain
Wear out/Stiffness/damage Ÿ Replace the
Chain and the Sprockets as a set.
2. Inspect :
• Cam Sprocket
Wear/damage Ÿ Replace the Cam
Sprocket and the timing chain as a set.
¿ 1/4 tooth gap
À Correct Tooth Profile
Á Roller
 Sprocket
3. Inspect :
• Guide Stopper #1 ¿
• Guide Stopper # 2 À and Bush
Wear/damage Ÿ Replace
TIMING CHAIN TENSIONER
1. Check :
• One-way Cam operation
If Unsmooth operation Ÿ Replace
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Checking steps :
• While pressing the Tensioner Rod lightly with
fingers, use a flat screwdriver ¿ and retract
the Tensioner Rod up fully clockwise.
• When releasing the screwdriver by pressing
lightly with fingers, make sure that the
Tensioner Rod will come out smoothly.
• If not, replace the Tensioner Assembly
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