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ENGINE TOP END 6-1
6
Engine Top End
Table of Contents
Exploded View................................... 6-2
Specifications .................................... 6-6
Special Tools and Sealant ................. 6-8
Clean Air S ystem............................... 6-11
Air Suction Valve Removal........... 6-11
Air Suction Valve Installation........ 6-11
Air Suction Valve Check............... 6-11
Clean Air System Hose
Inspection.................................. 6-11
Cylinder Head Cover ......................... 6-12
Cylinder Head Cover R emoval .... 6-12
Cylinder Head Cover Installation . 6-12
Camshaft Chain Tensioner ................ 6-13
Camshaft Chain Tensioner
Removal.................................... 6-13
Camshaft Chain Tensioner
Installation................................. 6-13
Camshaft, Camshaft Chain ............... 6-14
Camshaft Removal ...................... 6-14
Camshaft Installation ................... 6-15
Piston TDC Finding...................... 6-16
Camshaft, Camshaft Cap Wear ... 6-18
Camshaft Runout......................... 6-18
Cam Wear.................................... 6-18
Camshaft Chain Removal............ 6-19
Cylinder Head.................................... 6-20
Cylinder Compression
Measurement ............................ 6-20
Cylinder Head Removal............... 6-21
Cylinder Head Installation............ 6-22
Cylinder Head Warp ..................... 6-23
Valves ................................................ 6-24
Valve Clearance Check................ 6-24
Valve Removal............................. 6-24
Valve Installation.......................... 6-24
Valve Guide Removal .................. 6-24
Valve Guide Installation ............... 6-25
Valve-to-Guide Clearance
Measurement (Wobble
Method)..................................... 6-25
Valve Seat Inspection .................. 6-26
Valve Seat Repair ........................ 6-26
Cylinder, Pistons................................ 6-31
Cylinder Removal......................... 6-31
Piston Removal............................ 6-31
Piston/Cylinder Installation........... 6-32
Cylinder Wear .............................. 6-34
Piston Wear ................................. 6-34
Piston Ring, Piston Ring Groove
Wear.......................................... 6-34
Piston Ring Groove Width............ 6-34
Piston Ring Thickness ................. 6-35
Piston Ring End Gap ................... 6-35