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Discussion Starter #1
Hi all,

Ive a big problem with my bike. All was good until I started doing maintenance and adding PC5 and QS modules. Bike seems to work fine. When I rev it in neutral and when I just start to ride, all seems to work fine. full power, no slipping/no choking/no jumping or anything. But when I warm the bike up by shifting up/down aggressively the bike starts cutting power when I go full throttle in every gear. In first gear it does the cutting/slipping/jumping at 7/8K RPM and also in second and third and so on.

Ive done a full maintenance(less then 100km) Oil/filter, Air filter, sparks, and clutch kit all OEM. Everything is done by factory guide and torque specs. The only thing that I couldn't figure out, in the manual the clutch order shown a thicker outer driven plate, but in the OEM Suzuki clutch kit box there was only one different driven plate that was ment for the most inner plate, the rest were all the same. So I put everything back as it was shown. And everything works fine, until I put more load on the engine. Btw, one mistake I made was, during connecting the PC5 I accidentally connected the PC5 harness to the fuel rail, the main connecters where bit hidden and not easy to see, so i did a engine warmup to see if everything is working, but later I founded out that the harness should be connected to the bottom connectors. I contacted Dynojet and they told me that it should no be a problem aslong a connected right, so I connected everything to where it supposed to be.

Self diagnosing:

I disconnected every mod I did, and the bike is all factory right now. I checked the sparks. I jumped the kickstand cable. The only thing that I didn't check yet is the clutch.

Please if there is someone who can help me with this annoying problem, Im losing hope.

Thank you all.
 

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Welcome.

I was going to suggest the side stand safety switch but you bypassed that already.

My guess would be to first check that all the spark coil wiring is plugged in securely and if that is OK, disconnect the QS and see if that is the issue.
 

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Discussion Starter #3
Welcome.

I was going to suggest the side stand safety switch but you bypassed that already.

My guess would be to first check that all the spark coil wiring is plugged in securely and if that is OK, disconnect the QS and see if that is the issue.
Thank you.

Ive disconnected everything right now, so the bike is now stock. Im going to check the sparks for wetness. As I remembered right now, maybe I overfilled the oil. when I opened op the airbox, it had much more oil in it that I never have seen before. could this cause the issue? I really don't know.
 

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8,328 Posts
Thank you.

Ive disconnected everything right now, so the bike is now stock. Im going to check the sparks for wetness. As I remembered right now, maybe I overfilled the oil. when I opened op the airbox, it had much more oil in it that I never have seen before. could this cause the issue? I really don't know.
I'm guessing the amount it is overfilled determines the effect.

Nevertheless, if you have a lot of oil in the airbox, the engine is ingesting it and that might cause a performance issue. Correct it and let us know.
 
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