Diagnosing Smoking Engine Or High Oil Consumption

Perform COMPRESSION TEST or CYLINDER LEAKAGE TEST as described. If further testing is needed, remove suspect head(s) and inspect for the following:

Check Prior to Cylinder Head Removal

1. Crankcase overfilled.

2. Oil carryover.

3. Breather hose restricted.

4. Restricted oil filter.

Check After Cylinder Head Removal

1. Valve guide seals.

2. Valve guide to valve stem clearance.

3. Gasket surface of both head and cylinder.

4. Cylinder head casting's porosity allowing oil to drain into combustion chamber.

5. Piston/ring failure.

Fastener Side cover Maxi-fuse (40 amp)

Figure 3-7. Maxi-Fuse

NOTE

If cylinder head, crankcase, or transmission work needs to be performed, engine must be removed from chassis. See 2.9 ENGINE REPLACEMENT.

1. If engine is to be removed, position motorcycle on a lift with side extensions.

2. See Figure 3-7. Remove right side cover.

3. Remove maxi-fuse.

4. Remove the engine. See 2.9 ENGINE REPLACEMENT.

^warning

To protect against shock and accidental start-up of vehicle, disconnect the negative battery cable before proceeding. Inadequate safety precautions could result in death or serious injury.

Awarning

Gasoline is extremely flammable and highly explosive. Always stop the engine when refueling or servicing the fuel system. Do not smoke or allow open flame near the work site. Inadequate safety precautions could result in death or serious injury.

Fastener Side cover Maxi-fuse (40 amp)

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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