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Post by tobster on Mar 31, 2010 15:08:40 GMT 1
just bought a 1988 TZR125 - engine starts, runs OK BUT it will not rev beyond about 6K. This happens even if stationary i.e. with no load. Apart from general areas e.g. carb, are there anything specific areas (e.g. blocked main jet) that I should be looking at/trying? thanks
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Post by seanrd on Mar 31, 2010 16:23:07 GMT 1
Check the powervalve isn't up side down. Common mistake, with people trying to peg them open
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Post by tobster on Mar 31, 2010 16:46:11 GMT 1
thanks sean. what position should the powervalve be in if I remove the end cap and have a look OR if I remove the exhaust and look up the exhaust port- what should I see (powervalve wise that is)?
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Post by seanrd on Mar 31, 2010 21:01:15 GMT 1
If you remove the exhaust, it should be a smooth transition from the barrle to the exhaust port. It will stand out a mile if the valve is in wrong.
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Post by tobster on Apr 1, 2010 13:19:19 GMT 1
thanks Sean. Another project for the weekend (along with straightening a bent handlebar).
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Post by seanrd on Apr 1, 2010 16:02:52 GMT 1
They all suffer with that problem  i was lucky when i bought my project bikes that both had straight bars |
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i was lucky when i bought my project bikes that both had straight bars