12
CYLINDER RECONDITIONING
CYLINDER REMOVAL
1. Expose engine (Step 1-16 Engine Removal)
4. Remove the four nuts and washers securing the cylinder to
the crankcase.
Fig. 13
Figure 14
2. Remove cylinder head and gasket.
3. Loosen the nuts securing the valve guides to the crankcase.
RECONDITIONING
A. Gasket surfaces
Check all surfaces to be sure that they are free of all gasket
fragments and sealer materials. Surfaces must be free of
scratches or nicks.
B. Cylinder Bore
Diameter of standard cylinder is 3.2545 - 3.2535. Measure
the cylinder bore at two points 90° apart at the top and
bottom of the wear pattern to determine wear.
5. Lift the cylinder up off the crankcase and piston.
Figure 15
Bore Diameter Piston Size Ring Size
3.2545/3.2535 Std. Std.
3.2625/3.2615 .005 oversize .005 oversize
3/2675/3.2665 .010 oversize .010 oversize
3.2725/3.2715 .015 oversize .015 oversize
3.2775/3.2765 .020 oversize .020 oversize
3.2825/3.2815 .025 oversize .025 oversize
3.2875/3.2865 .030 oversize .030 oversize
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