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click clak '01 426


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Went riding yesterday and on the way back I was on the last 100 yards to my house which is street and opened her up and my valves sounded like my crappy ford escort when it has bad gas. As soon as I heard it I let ogff the gas and killed the motor. Bike was popping like mad too. Gonna get the valves adjusted but do you guys think and damage could have been done by the click clak sound??

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If the noise only occurred under a load, it was not valves. The valve train is not affected by the load on the engine, only by speed, and if they were to make noise, they would do so all the time the engine was running.

If this happened at low speed, my guess is it was chain slap, a normal thing. I would think you had experienced that a number of times by now, though.

Another possibility is a load of bad gas or fuel with the wrong octane rating causing pinging. This actually has potential to do some damage, but a short bit of it probably won't have.

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If the noise only occurred under a load, it was not valves. The valve train is not affected by the load on the engine, only by speed, and if they were to make noise, they would do so all the time the engine was running.

If this happened at low speed, my guess is it was chain slap, a normal thing. I would think you had experienced that a number of times by now, though.

Another possibility is a load of bad gas or fuel with the wrong octane rating causing pinging. This actually has potential to do some damage, but a short bit of it probably won't have.

:thumbsup:Thanks for the info Gray. Taking my bike to have the valves checked to be on the safe side. They have'nt been checked since I've owned it. Just curious if the timing chain would get loose and make sort of the same sound.

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  • 3 weeks later...

Ryan,

As well as the points that Gray made you may need to check the carburetor for an air leak. Was the bike running really lean or heating up much? I had the nitrile o-ring between the carburetor body and the intake bell get pinched when I reinstalled it after cleaning the carburetor back in 04. My 02 made that sound when I could get the bike started.

This is a wild guess and a real long shot. Best of luck with getting this straightened out. Please let me know what you find, here.

Regards,

Bill

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Ryan,

As well as the points that Gray made you may need to check the carburetor for an air leak. Was the bike running really lean or heating up much? I had the nitrile o-ring between the carburetor body and the intake bell get pinched when I reinstalled it after cleaning the carburetor back in 04. My 02 made that sound when I could get the bike started.

This is a wild guess and a real long shot. Best of luck with getting this straightened out. Please let me know what you find, here.

Regards,

Bill

Hey Bill,

Well there was 2 intakes that were a little tight. fixed those, plug was a CR9E, replaced with a CR8EK, sealed up the header, and some carb adjustment and now no poping what so ever and pures like a fat cat!:bonk:

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