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May 16th, 2020, 03:49 PM   #1
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Broken Intake Valve, Parts Sourcing? 09 FE570

A few days ago after about a 45 minutes trail ride I noticed my left leg was getting VERY hot. Made it to the parking lot and didn't really notice anything wrong but when I went to start it again I got nothing but spinning and puffing sounds from the airbox if I tried with the throttle open. That's when I guessed it was valve related.

Today I began tearing into it and immediately noticed a chewed up shim sitting in the head that popped off the intake valve. Then I saw the valve was broken. Not exactly sure what could've caused it. I'm pretty slow and tend not to overrev. The dash states 40 hours on the bike but I'm starting to question that. Maybe the lash was just that tight on that valve? I bought it with 22 hours on it 2 years ago (originally wanted to run it for Supermoto) but only just started to ride trails last September.

I'm currently in the process of taking the head and jug off in bike to inspect further. It looks like it'll clear the frame if I pull the cam chain guides out?

I plan on replacing all the valve-related parts for all 4 valves and potentially a rocker. Definitely need a full top end gasket kit and potentially a piston/rings if it looks bad. I started quickly researching it and looks like I have a bit of legwork to do. Does anyone have any recommendations on sourcing everything I might need? Was thinking of going with Kibblewhite Valves kit and one of their pistons if the OEM is cost prohibitive.

Thanks!

Last edited by Sal Khan; May 16th, 2020 at 03:51 PM.
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May 17th, 2020, 05:06 AM   #2
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Taffmeister. Everything you need plus good advice.
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May 18th, 2020, 05:46 PM   #3
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Originally Posted by Danner View Post
Taffmeister. Everything you need plus good advice.
you weren't wrong! he got back to me right away with just about everything I need! Thanks!
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May 19th, 2020, 03:27 AM   #4
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Taffy is the Man!
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May 29th, 2020, 01:29 PM   #5
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No need to take the cam chain guides out . The head and cylinder will clear the frame



Nuno
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May 29th, 2020, 06:18 PM   #6
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Originally Posted by webmonstro View Post
No need to take the cam chain guides out . The head and cylinder will clear the frame
Reallly?! Staring at it was I certain it wouldn't! Hahaha but it was no biggie the flywheel came off easy enough.
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