Changed oil and metal filings on magnetic plug - MVAgusta.net
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post #1 of 11 (permalink) Old 03-11-2016, 06:13 AM Thread Starter
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Changed oil and metal filings on magnetic plug

Hi guys

2008 F4 312R - used on track only

I have noticed this over the last few oil changes ... is this normal..

I have noticed the gear box getting a bit tight to change gear with hand over the last few years, but no issues when riding - no drop outs etc - have a few false nuetrals due to q/shifter - but no noises comeing from gearbox etc

If i want to remove the cassette gearbox to check for wear and tear - do i have to remove the clutch/basket layshaft etc ??
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post #2 of 11 (permalink) Old 03-11-2016, 06:18 AM
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How many miles? Does not look too bad, but I am not the expert.
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post #3 of 11 (permalink) Old 03-11-2016, 06:20 AM
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Thats not an issue if track. Usual wear and tear

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post #4 of 11 (permalink) Old 03-11-2016, 08:10 AM Thread Starter
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Thats not an issue if track. Usual wear and tear
Great news then...

bike has about 6k miles on it, and been used for fast track days for last 6 years - so it gets a hammering ..


If i wanted to take gerabox out to check , do i have to disasemble the clutch as well , or does the gerabox layshaft and selector drum just come out - leaving the clutch layshaft still in there ??

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post #5 of 11 (permalink) Old 03-11-2016, 10:06 AM
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Donsy is the best one to ask on that. Send him a PM.
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post #6 of 11 (permalink) Old 03-11-2016, 10:35 AM
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Quote:
Originally Posted by Spud View Post
Great news then...

bike has about 6k miles on it, and been used for fast track days for last 6 years - so it gets a hammering ..


If i wanted to take gerabox out to check , do i have to disasemble the clutch as well , or does the gerabox layshaft and selector drum just come out - leaving the clutch layshaft still in there ??
Yes the clutch must be removed. It's attached to the other end of the gearbox.

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post #7 of 11 (permalink) Old 03-11-2016, 04:38 PM
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Quote:
Originally Posted by Spud View Post
Hi guys

2008 F4 312R - used on track only

I have noticed this over the last few oil changes ... is this normal..

I have noticed the gear box getting a bit tight to change gear with hand over the last few years, but no issues when riding - no drop outs etc - have a few false nuetrals due to q/shifter - but no noises comeing from gearbox etc

If i want to remove the cassette gearbox to check for wear and tear - do i have to remove the clutch/basket layshaft etc ??
Normal.


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post #8 of 11 (permalink) Old 03-14-2016, 09:25 PM
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Thumbs down ?

disagree......

fuzz is too big, all I get is dust ......3-5% of that

I don't use the clutch 95% of the time.... where are the long pieces coming from? think

about it

I literally have a 1mm round fuzz on the corner of the magnet......less at every oil change......31,000mi



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post #9 of 11 (permalink) Old 03-15-2016, 05:11 AM
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What oil filter do you run? If your hard on the bike or race it frequently, I'd change the synthetic oil a little more often.

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post #10 of 11 (permalink) Old 03-15-2016, 07:14 AM
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That's much more than I have ever seen on the Brute or the F4, like Knurl said you have some long pieces there and must have come from somewhere, I have only ever seen dust. I have had a box out a few years back and its simple enough just need a clutch basket retailing tool (stops it spinning) and the manual. Let us know what you find.

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