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Spec sheet for Johnson indicates 0.0049" as max piston to cylinder clearance. I assume this means all around so overall piston diameter should be max 0.0098" less than the cylinder bore. I recently had my cylinders bored 0.020" over and I installed new 0.020" over pistons. I should have...
Trying to understand how the cooling circuit works...can't seem to find the right information. When running at lower rpm e.g. 1500 the engine temp comes up to around 140F but when running at higher rpm e.g. 2500 the engine temp indicator plummets to the lowest level which is about 100F. Since...
