2006 FJR noob: I think I killed my gearbox - Page 2 - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #11 of 55 (permalink) Old 05-01-2017, 07:39 PM
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Yes, investigate more closely where the noise is coming from. If not the CCT (noise on right side), then it could be middle gear bearing (rare) or u-joint (noises on left side) as alternate suggestions to transmission itself. How about the clutch (noise on right side). I'm doubting transmission, but if it is, it requires engine pull and splitting the cases (very major).

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post #12 of 55 (permalink) Old 05-01-2017, 08:32 PM
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2006 FJR noob: I think I killed my gearbox

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Originally Posted by Duncan View Post
@Polar excuse my ignorance but what is the CCT and how do I check for it?
Duncan,

The Cam Chain Tensioner is external to the engine, but you must remove the valve cover to replace it. There are tech articles posted for that job. I doubt if the CCT is the problem, though. The new good ones have a green or blue dot on them, which you can see with a good light, and maybe an inspection mirror.
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File Type: jpg CCTlocation.jpg (50.5 KB, 184 views)
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post #13 of 55 (permalink) Old 05-01-2017, 09:05 PM
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Quote:
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Duncan,

The Cam Chain Tensioner is external to the engine, but you must remove the valve cover to replace it. There are tech articles posted for that job. I doubt if the CCT is the problem, though. The new good ones have a green or blue dot on them, which you can see with a good light, and maybe an inspection mirror.
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-
He can't have that one, it's mine
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post #14 of 55 (permalink) Old 05-02-2017, 01:09 AM Thread Starter
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@MrZappo yes the noise is very noticeable. The bike has plenty of oil.

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post #15 of 55 (permalink) Old 05-02-2017, 01:21 AM Thread Starter
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I don't know if the bike has had the recall on the CCT but I also don't think it's that. My estimation is that the noise emanates from the middle gear area on the left hand side. Thank you very much for all your input; it is becoming clear to me that this is a problem that is well beyond my skill set. I will arrange for an expert or the dealer to collect it and have a look.

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post #16 of 55 (permalink) Old 05-02-2017, 01:23 AM
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There was never a recall on the CCT.

Yamaha simply upgraded the part ... twice.

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post #17 of 55 (permalink) Old 05-02-2017, 07:19 AM
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If the noise is near middle gear, I would check the transmission shifting, etc. by putting the bike on the center stand, engine off, then shift into each gear while moving the rear wheel as necessary to line up the gears. When in neutral, give everything a spin with the back wheel and if the middle gear is a problem, the noise may be evident.

IF no noises (tranny or middle bearing noises), then start up the engine in neutral, and verify the noise is still left side only. Go to the right side and verify it is not over there. You can use a small rod as a stethescope kind of thing against your ear and touching various parts of the engine.

IF there is a clattering on the right side, it indicates timing chain is slapping around, ie., CCT issue. In any event, noise or no noise, on '07's and prior, if the CCT does not have any paint dot, one should not hesitate to install one of the new design.
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post #18 of 55 (permalink) Old 05-02-2017, 08:07 AM
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Quote:
Originally Posted by Duncan View Post
I don't know if the bike has had the recall on the CCT but I also don't think it's that. My estimation is that the noise emanates from the middle gear area on the left hand side. Thank you very much for all your input; it is becoming clear to me that this is a problem that is well beyond my skill set. I will arrange for an expert or the dealer to collect it and have a look.
PLEASE let us know what happens. It is extremely frustrating for us curious types to be left hanging. LOL

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post #19 of 55 (permalink) Old 05-02-2017, 08:50 AM
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2006 FJR noob: I think I killed my gearbox

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Originally Posted by Steve Bracken View Post
He can't have that one, it's mine
Steve,

Right you are, I just grabbed the first green dot I saw. Maybe this would be better:
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post #20 of 55 (permalink) Old 05-02-2017, 09:16 AM Thread Starter
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I will definitely let you guys know what the findings are; the bike was taken away today.

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