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KX Riders
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KX500 Original
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Is this piston good?
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Topic: Is this piston good? (Read 2106 times)
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JustinSB
Jr. Member
Posts: 48
Is this piston good?
«
on:
September 16, 2009, 06:28:26 PM »
It looked to me like it started to seize, but I thought it might just be carbon because it is in the areas which line up with the exhaust ports. It is a cast piston, which bothers me. Any comments are appreciated. Thanks!
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cyclepsych0
Jr. Member
Posts: 42
Re: Is this piston good?
«
Reply #1 on:
September 16, 2009, 06:49:21 PM »
From the photos, the scarring seems excessive... If it were my bike I'd definitely replace the piston and check the nikasil coating for any flaking.
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KX500freak
Hero Member
Posts: 1,028
KX500 - Have a Wheelie good weekend
Re: Is this piston good?
«
Reply #2 on:
September 16, 2009, 10:43:08 PM »
yes same here ,and replace piston earlier next time ,this one seems almost polished
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Dutch Team Green 91-94-01 KX500
JustinSB
Jr. Member
Posts: 48
Re: Is this piston good?
«
Reply #3 on:
September 17, 2009, 04:24:37 AM »
A new one is going in. I just got the bike. I'm glad I caught it before it was worse and did cylinder damage or disintegrated.
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flyin9
Jr. Member
Posts: 38
Re: Is this piston good?
«
Reply #4 on:
September 17, 2009, 05:31:54 AM »
were your rings welded in the gap or do they move freely? looks like you KIPS are very gummed up or not operating correctly, or both. JMO
Jared
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kaw rider
Hero Member
Posts: 1,218
Cool your engine with water not fuel
Re: Is this piston good?
«
Reply #5 on:
September 17, 2009, 03:56:42 PM »
you may what to look at that one stud, looks alittle rusty. Notice how the burnt oil on exhaust side of piston only. That tells you something.
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JustinSB
Jr. Member
Posts: 48
Re: Is this piston good?
«
Reply #6 on:
September 17, 2009, 05:11:34 PM »
What does the oil on the exhaust side only tell me?
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Is this piston good?