|02-22-2013, 01:31 AM||#11|
Joined: Aug 2008
original valves were replaced when there was some 60 000km in clock, also pistone was replaced by first versize 050 then. I rebuild engine bottom at 85 000 km (if rebember rigt) the top end was like new.
No I have damaged cylinder (heavy oil consumption) and damage in valves. And yes, there were some carburetor problems and some serious overheating while offroading... i was riding too lean.
So i think your dianosis is right.
I'm just wondering how long these valve stems last? Seals for those are easy to change but stem itself reguires some professional help.
DR 750S 1989
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