Revised Spec trx 2.0

Trx 850 frame with rear side tubing removed. FCR41's with open bell mouths, single cable throttle, r6 1999 radiator fan removed, Full bore race exhaust from projection components. R1 aluminium front fairing frame, Modified R1 yokes with trx stem( projection components ), complete R1 front end. Nitron 3 way race shock, yzr750 rear end. Renthal 520 chain conversion race sprockets from Thundercat Modified cheapo 'Rear sets' lightweight from Thailand! Crankcase breather tube from generator and cylinder head to enclosed container under tank with filter. Modified R 7 fairing. A 2000 cbr6 glass fibre race seat. P&R racing GPS laptimer. Wiring loom kept original apart from the safety start soleniod removed....
Rear rain light fitted. clocks modified, just using Rev counter.

Weight TBA!

Monday 22 October 2012

from vfr750fl to trx850

 
My VFR750fl project thunderbike racer is put on hold here is my new project! something else to tinker with in the shed a trx850!...inspired by a very rapid thunderbike trixie by the name of Michael Simmons of west country windings I will try and emulate from scratch. The trx is very light, can be lightened further, handling improved by an R1 front, stiffen the rear by putting a yzf750 swingarm. I have these in the waiting. I will probably lighten and balance the crank, peened rods, raise compression( bigger pistons maybe), put some FCR41 carbs, free flowing exhaust, cams re-shaped and make the crankcase breathe to help it rev easier...things Ive picked up from my tinkering with the vfr and my cbr640 and from the thunderbike racer above.....aiming for the bmcrc thunderbike sport class power to weight 1bhp to 1.81kg.
I should be able to get 85bhp relatively easily, then gradually make my way up to 100bhp at the back wheel.
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