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Post by bubba on Apr 17, 2010 16:13:06 GMT 1
just changed the main jets in a 350lc from 250 to 240 and running much better but before with the 250 ones in the temp needle harly moved up at all! and now its sitting about quarter after a run up the road, running large end can allspeeds and standard airbox,
can you advice me on where the temp needle meant to sit on these as i have just bought the bike and not had two strokes for a long time cheers!
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Post by bare on Apr 17, 2010 17:53:12 GMT 1
Yama published that 80c was hot enough and 85 was turn the engine off Now! temp
Strongly suggest retrofitting a Valvie Thermostat to the LC One only has to slightly modify the Funnel shaped casting bit to accept the Thermo gasket
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Post by Norbo on Apr 17, 2010 22:38:45 GMT 1
Some times all that is neded is a hose threw the rad as the fins are full of crap and dont get the airflow they need . some toimes a fin can be broke on the inpella . some times its under jetting or not anough oil . quight a few reasons bikes get hot . Mostley my bike get hot becours the bloke riding it thrashet way to much
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Post by bubba on Apr 17, 2010 22:59:53 GMT 1
where does your temp needle sit after a normal run?
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Post by bare on Apr 18, 2010 3:51:22 GMT 1
Yama published that 80c was hot enough and 85 was turn the engine off Now! temp Strongly suggest retrofitting a Valvie Thermostat to the LC One only has to slightly modify the Funnel shaped casting bit to accept the Thermo gasket How does fitting a thermostat improve cooling?  It maintains a steady temperature. Under temp is just as bad as over temp. ..in terms of premature engine wear. LC was fitted with a radiator that has TWICE the cooling capacity as the one fitted to the Valvies. Under temp is a genuine problem (if aware :-) in an LC. |
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Post by bubba on Apr 18, 2010 19:24:26 GMT 1
cheers for the reply bare  , it seems to stay steady after a run,  |
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Post by pepsisteve on Apr 18, 2010 19:33:24 GMT 1
if you are not sure about your jetting mate do a plug chop to be safe.
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Post by bubba on Apr 18, 2010 19:51:41 GMT 1
hello steve, what do you mean do the plug chop? thanks!
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Post by Norbo on Apr 19, 2010 11:00:42 GMT 1
A plug chop .
Take a spark plug spanner out with you in your pocket . Warm the bike up and take it for a fast ride down a long road get it in top gear well in the band. Hit tye kill switch and pull the clutch in . Brake and pull in to the side of the road and whip a plug out. Thats a plug chop.
If its a light grey its running week. a biscuit or cardboarrd brown its fine. dark brown is best but crusty black is rich on oil .
Hope this helps.
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Post by bubba on Apr 19, 2010 21:58:15 GMT 1
great help norbo cheers, will give that a blast to find out |
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, it seems to stay steady after a run, 