KLR600 losing power as soon as it gets hot - Page 2 - Kawasaki KLR 650 Forum
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post #11 of 12 Old 08-14-2019, 09:44 PM
Join Date: Nov 2009
Location: Lander, Wyoming
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Originally Posted by klr600 View Post
I think its for smaller Kawasakis too, still might have been broken though. In any case i got the new one very cheap and now its the right thing so no biggie. I had charging issues and still not sure if the stator is good as well.

But all in all the bike definitely doesnt show any of previous issues, i let the engine get really hot and still no problem, drove for at least half an hour after it was hot. Passed a hill where it always stalls with 6-7k rpm all the way, no stutter at all.

Could the much colder weather make such a difference?
I believe that tempurature could be at play here.

It is possible that the plastic cap on top of the throttle slide diaphragm is Warped!

Any warpage could allow vacuum to leak during fully warm running and the throttle slide to not fully rise, when you request it.

I'll suggest that you remove, inspect and clean the sealing rib on the diaphragm slide and the groove that it fits in and CHECK the plastic cap for level fitment.
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post #12 of 12 Old 08-17-2019, 01:30 PM
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Join Date: Jul 2019
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Originally Posted by klr600 View Post
Thanks for taking the time everyone!

After timberfoots answer i got a new regulator yesterday and been riding the whole day today with no problems!
I was fixated on a possible fuel issue, I forgot to mention I had charging issues too. Also I opened and cleaned the carb and tank couple days ago and the bike has fresh gasoline, the spark plug is new too.

There is one thing though - today is a very cold day in comparison with the last few, it has been raining all night. Im really hoping it was the regulator and not the cold air.
I think the model of the regulator wasnt right when i got the bike - it had 6 "ribs", new one has 8.

Also, I think the stator isnt in good shape. I have seen a video on yt where a guy measures on a running bike between ground on the unplugged stator 6 pin cable and the 3 leads and he gets a reading on all. I dont have a reading between ground and the leads (yellow wires), I get a reading between leads though - all combinations. The video is on KLR650, not sure if that makes a difference. (set to V200~)

And the resistance between leads should be below 0.7 per manual, im reading about 1.2 on all combinations.

you should not get continuity from any yellow wires to ground at the stator plug

you should have continuity between all 3 yellow wires in the stator plug.

you could measure a/c volts between the three yellow wires if the engine was running and testing between them.

these are normal readings for a "Y" wound stator config and it sounds like thats what you have, I didnt check, going by why you're saying
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