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stpauls

Honda TLR and variants engine builders/experts

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Hi

I am in the process of completely rebuilding a 1976 Honda TL 125se.  The basic design of the motor is similar/exactly the same in many respects to the Honda TLR.  There is a rubber oil seal in the oil way of the barrel.  The TL shares this same part.  Anyone know what it does?  Here is a link to the part: 

https://www.cmsnl.com/honda-tlr200-1983-d_model50044/rubber-oil-seal_12271383000/#pageproductModelfit

It is part 6 in this diagram:

honda-tlr200-1983-d-e-1-cylinder-head_bi

 

Edited by stpauls

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it just seals off where honda drilled the oil feed to the cam, a blob off silicone would seal it if you have'nt got the rubber bit.

 

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I rode my tlr through deep water last week, later in the ride the engine seized at low speed. After it cooled while towing it to the truck it started but it turns out the engine oil was mostly water at that point, must have entered through the crankcase vent hose.  Now I have low compression, less than 100, and a hard knock.  I am struggling to get the cylinder to separate from the case, any tips?

Gary

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