Well I can finally say this myth is busted on the JE pistons with official confirmation from TTS
JE BIG BORE PISTON KIT
CUSTOM MADE EXCLUSIVELY FOR TTS
YAMAHA TDM/TRX850
878cc 91mm Bore (1.5mm Oversize) 10.5:1 Compression
Machined from 2618 T6 high tensile forged aluminium
Dome/Dish features smooth flowing radii and require no de-burring or preparation
JE designs are specifically engineered for extreme applications including professional competition
Pins, pin fitments, lock and rings included
DELIVERY TIMES MAY VARY DEPENDING ON STOCK - BUT USUALLY 7-28 DAYS FROM DATE OF ORDER
TTS OFFER A BORING AND PLATING SERVICE - PLEASE CALL FOR FURTHER DETAILS
FREE POSTAGE TO UK POST CODES ONLY
CALL FOR AN EXACT INTERNATIONAL SHIPPING RATE
GENERIC PHOTO USED NOT OF ACTUAL PISTON
JE 878 10.5 not 11.5:1
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JE 878 10.5 not 11.5:1
laughter is the best medicine
- Mincehead
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Re: JE 878 10.5 not 11.5:1
Had it been an issue Cobba? I knew years back they were only 10.5.
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Re: JE 878 10.5 not 11.5:1
No just a lot of misconception, I and many others on the forum where under the impression they where 11.5:1. A couple of emails to TTS went unanswered on this until I questioned them on their pistons advertised on ebay and photo of a slipper skirt piston on their sales ad.
At least I finally got confirmation from tts and changed their ad so now this can finally put the myth to bed.
At least I finally got confirmation from tts and changed their ad so now this can finally put the myth to bed.
laughter is the best medicine