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Ryan_Paez Started a new thread Keeps blowing pistons
7/5/2020 5:30pm Hi I got my son a 2015 kx 85 an now it blew the piston 3 times. Scared up on intake an exhaust sides pretty bad I got cylinder replated an it just did it again today what could be wrong with the spark plug is a brownish color. An it smells like it’s overheating I get a anti freeze...
This forum thread has 45 replies.
Ryan_Paez Added a reply to Keeps blowing pistons
7/5/2020 5:30pm No I never did I gave up on it for a while I’m just gonna but a new engine an try that out I think
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Ryan_Paez Added a reply to Overheating smell an weird noise
9/28/2019 12:34pm The piston keeps seizing on intake an exhaust side scared bad. The piston comes out of jug a little bit. I don’t think so I never heard of e 85. Fuel. An we go riding a lot so sometimes we ride for 2 hrs sometimes 40 mins. But his 65 he can ride it all day with no problem An...
Ryan_Paez Added a reply to Overheating smell an weird noise
9/24/2019 3:32pm More premix an leaner fuel charge. I’m mixing at 32.1 now with 93 gas
Ryan_Paez Added a reply to Overheating smell an weird noise
9/24/2019 3:30pm An a new head
Ryan_Paez Added a reply to Overheating smell an weird noise
9/24/2019 3:30pm Yup same damn bike. After kept blowing I’m going back to stock. An it has a longer rod in it so I don’t know if that’s the problem but I replaced the head the jug radiator , piston new boysen water impeller an new clutch basket An plates I don’t know what else could be but once I run it...
Ryan_Paez Added a reply to Overheating smell an weird noise
9/24/2019 1:01pm What do I do to see if it’s running lean add more oil mix ?
Ryan_Paez Started a new thread Overheating smell an weird noise
9/24/2019 12:46pm Hi I got my son 2015 kx 85. It blew up 2 times since I bought it in June. Everything is brand new on it. Piston,jug,head new gaskets boysen water impeller an new radiator only thing hasn’t been changed is the bottom end. But I just got new clutch An basket on it an he rode it for 1 st...
This forum thread has 15 replies.
Ryan_Paez Added a reply to Head cylinder
8/24/2019 7:43pm The old head was fine piston didn’t hit it so what do I do to get that same one I looked An there is e1-e2-e3-e4 for those bikes
Ryan_Paez Added a reply to Head cylinder
8/24/2019 7:20pm So what do I do if it is
Ryan_Paez Added a reply to Head cylinder
8/24/2019 7:19pm Hot rod
Ryan_Paez Added a reply to Head cylinder
8/24/2019 6:02pm New jug. New cylinder all new gasket an piston. The old head was more inverted an new one is more flat
Ryan_Paez Started a new thread Head cylinder
8/24/2019 5:20pm Just put 15 kx 85 top end together got all new parts an the piston is hitting the head is it the wrong head or something. Please help
This forum thread has 10 replies.
Ryan_Paez Started a new thread Kicker stuck won’t move
8/23/2019 6:04pm I just rebuilt 2015 kx 85 top end an the kicker is stuck won’t move what could it be
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Ryan_Paez Added a reply to Breaking up in high rpms
8/17/2019 9:09am Must of been a bad plug running like a champ again. Thx man
Ryan_Paez Started a new thread Breaking up in high rpms
8/16/2019 5:31pm Hi my son has 05 kx 65 started to break up in high rpms. Cleaned carb an jets. Reeds look fine stator seems ok got new coil wire an box what could be wrong an he races on Sunday help please
This forum thread has 2 replies.
Ryan_Paez Added a reply to Keeps blowing pistons
8/12/2019 1:39pm
Ryan_Paez Added a reply to Keeps blowing pistons
8/12/2019 1:37pm
Ryan_Paez Added a reply to Keeps blowing pistons
8/12/2019 1:36pm Yea that was 1 st one that blew it was way to lean
Ryan_Paez Added a reply to Keeps blowing pistons
8/12/2019 11:04am The gasket was a little funny looking was kinda bent at 1 side of it. Do u think it could of messed up the head where spark plug goes