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Suzuki RM100 pistons, 51mm (1mm oversize).
https://www.ukbeg.com/forum/viewtopic.php?f=11&t=6692		 Page 1 of 2
Author:  spen [ 19 May 2010 09:41 ]
Post subject:  Suzuki RM100 pistons, 51mm (1mm oversize).
For the early aircooled model. Anybody got any ideas as to where there might be some. I can get hold of 50mm (standard) and other sizes, but not 51mm...... must be good quality, Wiseco, Prox et cetera...... Thanks.
Author:  Robs [ 20 May 2010 23:20 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
These might be able to help you, helped me in the past.

http://www.boretech.co.uk/index7afb.html?PageID=159
Author:  spen [ 21 May 2010 07:59 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
Many thanks, will call them later...... I can get any size except the ones I need..... :headbang:
Author:  Lucky [ 21 May 2010 09:50 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
Can't you just buy 52's and file them down a bit? :?
Author:  spen [ 21 May 2010 10:05 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
Thought about machining them down, but it would take a lot of strength from the ring land.....
Author:  tubbs [ 21 May 2010 18:45 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
I can get a forged 51 mm piston kit for a rm80, not sure if its only the stroke thats different.
the 80 has a 42mm stroke ?
Author:  tubbs [ 21 May 2010 21:12 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
80cc 50x42
100cc (99cc) 50x50
Could be the same crown height, peg gap or position,pin size will find out more if you need me to ?
Author:  spen [ 21 May 2010 22:56 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
Thanks Tubbs, the RM80 piston is the same except it has a 12mm gudgeon pin and the RM100/T200 has a 14mm....... I appreciate your thought though. :worthy:
Author:  pash [ 22 May 2010 09:12 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
Drill?
Author:  spen [ 22 May 2010 09:36 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
pash wrote:
Drill?


Not possible due to the cast shape of the piston...... all avenues explored.
Author:  pash [ 22 May 2010 09:48 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
Hmm, have you tried:

http://www.govnorsbridge.co.uk (01827 712906)
http://www.granbymotors.net
http://www.robinsonsfoundry.co.uk
http://www.crooks-suzuki.com/index.php?p=1k
http://www.hvccycle.com
http://www.classic-motorcycles.co.uk
http://www.pistonbroke.uk.com (0117 941 2300 - tell Steve his website doesn't work)

:?:
Author:  spen [ 22 May 2010 11:48 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
Most people sell pistons, these are OK for road use, but the race bike revs to 13,000 and the pistons readily available are Taiwanese 'Linsey Doyle and Chork' brand and can't stand the rigours of Terry 'Lack-Lustre' Brocklehurst's right wrist..........
Author:  Adam [ 22 May 2010 12:48 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
I called at Thorntons in Shrewsbury yesterday (a proper old fashioned shop where the the counter staff still wear brown coats with a vernier stuck in the top pocket 8-)
They have every oversize piston and ring for my 1947 JAP motor (although it has a modified VW Golf piston in it lOl ) but unfortunately nothing that could help you :(
Author:  tubbs [ 22 May 2010 18:00 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
old chap told me if he could not get the next oversize piston he would put a hot piston in a sleeve and bead blast it to size :shock:
Not for me i think :old:
454M05100 is the wiseco piston kit part number for 51mm rm100 if you can find stock
Author:  tubbs [ 22 May 2010 18:21 ]
Post subject:  Re: Suzuki RM100 pistons, 51mm (1mm oversize).
Try http://www.funkmotorsports.com are showing stock :o
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