my sp1 is smoking when warm / no power - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 6 (permalink) Old 06-25-2015, 07:02 PM Thread Starter
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Unhappy my sp1 is smoking when warm / no power

hello , i have a 00 sp1 with 13k miles , pc3 , slip ons and high flow filter . i was riding around this morning and all the sudden the bike started to misfire and lost almost all power , i was barley able to limp home , did not get over 165 degrees . the exhaust pipes are smoking thick white smoke and it smells like raw fuel. i tore it down pulled plugs checked compression witch is at 175 psi and holds. plugs look ok , front one was pretty white but sparks fine. if i let the bike sit and cool i can start it up and runs fine with no smoke until it warms up then its starts to bellow white smoke. any idea or pointers on what i should took for ? i was thinking head gasket but that doesn't explain the raw fuel smell and i used a head-gasket tester and the fluid did not change color so im kinda lost any help would be great

thanks you
mike
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post #2 of 6 (permalink) Old 06-25-2015, 08:53 PM Thread Starter
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Fixed ... Valve stuck open
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post #3 of 6 (permalink) Old 06-26-2015, 02:35 AM
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I'm interested, what valve was stuck?

Sounded like the common FPR issue.
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2001 RC51 SP1 (modified)
2007 GSXR1000 K6
1994 CBR600 FR (very modified)
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post #4 of 6 (permalink) Old 06-26-2015, 12:45 PM
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A stuck valve is interesting for the things you tested, it should have effected leak down and compression also
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post #5 of 6 (permalink) Old 06-26-2015, 08:25 PM
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Stuck valve , on an overhead camshaft engine???? That is a new problem, that I have never heard of....

Last edited by 1971allchaos; 06-28-2015 at 09:09 PM.
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post #6 of 6 (permalink) Old 06-27-2015, 06:12 AM
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Quote:
Originally Posted by 1971allchaos View Post
Stuck valve , on an overhead camshaft engine???? That is a new problem, that I have heard of....
It's also not a quick fix, so unlikely. That's why I was interested as to what valve the OP was referring to.

2001 RC51 SP1 (modified)
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1994 CBR600 FR (very modified)
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