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72
CHAPTER FOUR
block and piston) can be done with the engine
still in the frame. However, for repairs to the
bottom end (crankshaft, cam chain, connecting
rods and bearings), transmission and shift
drum/forks, the engine must be removed from
the frame for separation of the crankcases.
Although the engine top end can be left
attached for engine removal, we recommend
that you remove it first. It makes the engine
much easier to handle. Also, while the engine is
in the frame, you can use the rear brake to lock
the drive train, instead o f resorting t o
makeshift or expensive tools. Once the engine
is removed from the frame, some parts (like the
alternator rotor, secondary shaft nut, and
clutch) cannot be loosened without special
tools or locking techniques.
CAM CHAIN
AND TENSIONER
See Figure 4. Proper cam chain tension is
essential for safe operation, quiet running and
maximum power. The cam chain is endless
and wraps around the crankshaft, so it can't be
removed without splitting the crankcases; see
Crankshaft Removal in this chapter. The chain
I
CAM CHAIN AND TENSlONER
1. Upper chain guide
2. Exhaust cam sprocket
3. Sprocket bolt (4)
4. Exhaust camshaft
5. Intake camshaft
6. Intake cam sprocket
7. Front chain guide
8. Dowel pin
9. Rear guide bracket
10. Allen bolt (2)
11. Rear chain guide
12. Tensioner pushrod
13. Pin
14. Pushrod spring
15. O-ring
16. Tensioner body
17. Cross wedge
18. Cross wedge spring
19. Washer
20. Cap
21. Mounting bolt (2)
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   Also See for Kawasaki KZ500

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Zx550Kz550Kzx550

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