Author Topic: Shim Service - New Rocker Gasket Required?  (Read 750 times)

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Offline apw99

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Shim Service - New Rocker Gasket Required?
on: 18 August, 2021, 05:16:14 PM
hi folks - I plan to do the shim check service maybe this week and was wondering if experience has shown that a new rocker gasket is required or does it normally 'survive the experience' ?
Also wondering if anyone has a 2015 Tiger Sport maintenance manual available to download?
thanks!!

#1

Online Paul2bikes

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Re: Shim Service - New Rocker Gasket Required?
Reply #1 on: 18 August, 2021, 05:31:33 PM
Muddy Sump uses all new seals & gaskets when he services your bike, not worth doing it twice if it leaks.

Haynes manual on ebay/Amazon.
Also: '16 Tiger 800, '95 Yamaha Serow, '58 Ariel FH.

#2

Offline turtle

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Re: Shim Service - New Rocker Gasket Required?
Reply #2 on: 18 August, 2021, 06:36:56 PM
2011 with 41k miles here - still on the original.  I am careful with it when I do the check.  So it can be done, although to P2B's point, it would suck to have to go back in.  Depends how allergic you are to spending money on a new one I guess.  :164: :169:  :038:

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Offline apw99

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Re: Shim Service - New Rocker Gasket Required?
Reply #3 on: 23 August, 2021, 02:12:33 PM
Thanks for the info, I'll order a gasket so.
I've no interest in forking out 30 for a Haynes when I just need spec for the inlet and exhaust gaps and the details on the alignment markings as I probably won't need to use it again. I'll have look around.
Cheers  :031:

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Offline Dusty ST

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Re: Shim Service - New Rocker Gasket Required?
Reply #4 on: 23 August, 2021, 05:35:11 PM
*Originally Posted by Paul2bikes [+]
Muddy Sump uses all new seals & gaskets when he services your bike, not worth doing it twice if it leaks.

Haynes manual on ebay/Amazon.

The gasket is very easy to mis-seat, I had one leak after Muddy Sump/Dave did the 12k valve check on my Sprint, the oil ends up all over the rear tyre.
He's a good lad, came back pronto to fix it.

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Online Paul2bikes

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Re: Shim Service - New Rocker Gasket Required?
Reply #5 on: 23 August, 2021, 07:24:34 PM
*Originally Posted by Dusty ST [+]
The gasket is very easy to mis-seat, I had one leak after Muddy Sump/Dave did the 12k valve check on my Sprint, the oil ends up all over the rear tyre.
He's a good lad, came back pronto to fix it.

Gasket or one of those 3 cam ladder seals? Easy to dislodge them. He had my engine running for 30 mins after re-fitting cam cover, before balancing injectors, you'd think any leak would be noticed then.
Also: '16 Tiger 800, '95 Yamaha Serow, '58 Ariel FH.

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Offline Dusty ST

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Re: Shim Service - New Rocker Gasket Required?
Reply #6 on: 23 August, 2021, 08:00:40 PM
*Originally Posted by Paul2bikes [+]
Gasket or one of those 3 cam ladder seals? Easy to dislodge them. He had my engine running for 30 mins after re-fitting cam cover, before balancing injectors, you'd think any leak would be noticed then.
Ah, I don't know. I wasn't there when he did the job, and like yours didn't start leaking till a several miles up the road - lucky I needed petrol (easier to lift the tank off when empty) and noticed the oil on the rear tyre.
It did surprise me how quick he fixed it, and it's been fine since, so 8k miles or so.
Clive Wood did my Sprint's first 12k service, way back when he was local to me, and he mentioned the problem - but that was best part of 10 years ago.

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Online mustangpilot

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Re: Shim Service - New Rocker Gasket Required?
Reply #7 on: 24 August, 2021, 11:10:51 AM
The factory installed gasket started leaking on my 2017 Speed3 after only 3500km while on a trip in Germany. It was changed on a Saturday afternoon by Triumph dealer Stefan Kumpel in Bad Kreuznach. Warranty they said and enjoy your trip.
Top after sales service.  :028: https://www.sk-bikes.de/de
Last Edit: 24 August, 2021, 11:13:13 AM by mustangpilot

#8

Offline Kev51

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Re: Shim Service - New Rocker Gasket Required?
Reply #8 on: 24 August, 2021, 11:11:55 AM
apw99
The correct valve clearance range for the inlet valves are between 0.10mm to 0.20mm and the exhaust valves are between 0.20 and 0.30mm.
Regards
Kev

 



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