ZX10r GEN 1 Rattle (not sure if it's the alternator or something else) - Kawasaki ZX-10R.net
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post #1 of 6 Old 04-16-2018, 12:24 PM Thread Starter
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ZX10r GEN 1 Rattle (not sure if it's the alternator or something else)

Hello everyone,

Let me introduce myself. My name is Frank and I live in the Netherlands. I am 27 years old and I love to ride my kawasaki zx10r (04).

Recently my bike started to make some noise, it comes from the gearbox area. At first I thought it was the CCT, but after listening closely the sound seems to come from the rear part of the engine/gearbox. Below you can find a link to a video where you can hear the sound.

I have googled alot and I know the ZX10R 04 has an alternator issue. However, I cannot find a video as reference to the sound my bike makes. I would like to know for sure it's the alternator before I throw my money at it.

Thanks in advance!

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post #2 of 6 Old 04-16-2018, 02:28 PM
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Mate you asked a full and thorough question and uploaded a video, i hope you get your answer.

192MPH stock engined 2008
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post #3 of 6 Old 04-17-2018, 03:44 PM Thread Starter
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Anyone? I would really like to know what the rattle is.
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post #4 of 6 Old 04-17-2018, 04:50 PM
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Well based on the fact that the sound is emanating from the right side, the cam chain or the clutch basket is the culprit. The alternator is on the left side of the motor. The way the cam chain spins in the motor, the loose side will be near the tensioner which is on the rear of the cylinder #4 above the clutch. Pretty much where you have the camera pointing. Sounds to me like the cam chain rattling.

I may not be perfect, but at least I don't ride a Suzuki.

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post #5 of 6 Old 04-17-2018, 06:43 PM
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alternator is on the right side/ middle-ish of the Gen 1.

Start with the cam chain, easy check to see if the tensioner is seized or the spring is sacked out.

The clutch will be kinda obvious if it is loose.

alternator will also be obvious with a loose shaft.

Take er' apart.

2004 ZX10R-few mods here and there......
and even made more Evil by Woolich.
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post #6 of 6 Old 04-18-2018, 02:20 AM Thread Starter
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Thanks for the replies. I guess I will have to take her apart to diagnose the problem.

I did use a screwdriver (lack of stethoscope) to try to find where the sound comes from. It doesnt seem to come from the camchain area nor from the clutch basket. I didnt hear any extra noise coming from the alternator either. I hope I'll find out soon.
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