13 Rmz450 decompression issue

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7/7/2017 6:41 AM

New to the suzuki world. Ok bike ran good started easy. I replaced the cam chain last night. After everything back together. Go to kick it over and damn near popped my knee. It will kick over just with a very stiff compression. Its of course not starting. Almost like the decompression is not working. Ive done a hundred cam chains on yamahas, hondas,and kawasakis. First time working on suzukis. The timing is dead on. When i get home. Going to popped the valve cover and take a look again. Any inherent issues with the exhaust cam or decompression curcuit?

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7/7/2017 9:27 AM

if its indeed in time, take a look at the auto decompression mechanism on the exhaust cam. also make sure everything was assembled right and theres no binding at all.

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2009 Kawasaki KX450F
2009 Kawasaki KX250F
2002 Suzuki GSXR 600

7/7/2017 9:27 AM

Cam timing being off even one tooth will cause this. My guess is that you are way off on the exhaust cam timing.
No know auto decompression issues, but look it over to be sure.

Paw Paw

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7/7/2017 9:47 AM

Paw Paw wrote:

Cam timing being off even one tooth will cause this. My guess is that you are way off on the exhaust cam timing.
No know auto decompression issues, but look it over to be sure.

Paw Paw

Thanks. Ill take a look again. The exhaust mark pretty sure 9 and the top 11. Ill take a look again.

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7/7/2017 12:28 PM
Edited Date/Time: 7/7/2017 12:30 PM

Be sure the engine is at TDC when checking the cam timing. Also be 100% sure that the fuel injector is not leaking and causing a hydro lock.

Paw Paw

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7/7/2017 1:21 PM

Paw Paw wrote:

Be sure the engine is at TDC when checking the cam timing. Also be 100% sure that the fuel injector is not leaking and causing a hydro lock.

Paw Paw

I owe you paw paw. I must of had a crooked eye last night. The exhaust was one tooth advanced. Just fixed it and runs beautiful.

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7/7/2017 9:53 PM

Great!

Paw Paw

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