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post #1 of 7 Old 08-04-2013, 05:03 AM Thread Starter
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klr650 coughing over 3000rpm

when powering on over 3000rpm in any gear it coughs, it has after market exhaust. has a dyna jet kit 150 main jet stage 2, have just bought the bike 2008 model,put fresh fuel in it, changed spark plug just in case. any ideas
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post #2 of 7 Old 08-04-2013, 08:20 AM
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Sure sounds like too lean. Where do you live? High altitude maybe?

I love to ride, shoot and eat, what else is there at 60?
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post #3 of 7 Old 08-04-2013, 09:54 AM
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Originally Posted by Dave0430 View Post
Sure sounds like too lean. Where do you live? High altitude maybe?
Could be fuel-lean at mid-range (perhaps correctable by raising needle), but . . . higher altitude seems more likely to create a fuel-RICH mixture, to me.

Last edited by Damocles; 08-04-2013 at 07:39 PM.
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post #4 of 7 Old 08-04-2013, 05:57 PM Thread Starter
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i,m in Australia our altitude is only 257meters, so maybe i should raise the needle do you think
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post #5 of 7 Old 08-04-2013, 06:27 PM
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Originally Posted by klrgb View Post
i,m in Australia our altitude is only 257meters, so maybe i should raise the needle do you think
It would be worth a try.

I love to ride, shoot and eat, what else is there at 60?
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post #6 of 7 Old 08-05-2013, 07:32 PM
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Did you find out what was happening? We were out with my buddy on his '09 and the same thing happened.

It is bone stock with no mods whatsoever.
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post #7 of 7 Old 08-07-2013, 08:43 AM Thread Starter
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yes i did fix the problem, in australia they restrict the bike so it allows learner riders to use this size bike, (stupid government idiots) on the side of the slide in the carb there are 2 extra holes just below the diaphram to derestrict it you fill these, i did that, & it now revs cleanly without coughing & popping, can't believe the bloke i bought it off put a jet kit in it & better exhaust & not derestrict it, must not of known about it. thanks to those who offered help. as for the 09 don't know about Canada klr's if they are restricted
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