We glance again at a 2007 CR250R Jeremy McGrath duplicate challenge bike constructed with the assistance of Professional Circuits Mitch Payton and Bones Bacon on this weeks Two-Stroke Tuesday dropped at you by Boyesen. Try the premix merchandise from Athena, Maxima Oils and Journey Engineering in 2-stroke . Don’t miss the unique hyperlink to Robby Bell and Justin Seeds 2003 off-road KX250 construct on the backside of this submit!
On January 14th 2007 in Anaheim California Jeremy McGrath would end 2nd in his warmth race and in the primary occasion he miss the rostrum by one spot. Not unhealthy for a retired previous racer on a machine that completed final within the 250cc shootout that yr.
These unhealthy boys had been trick again within the day! Machined out of billet aluminum and featured an on the fly cable adjuster.
We even received the King himself to place his stamp of approval on it.
The facility was all within the top-end. Mitch Payton modified the cylinder, power-valve and head identical to he had McGrath’s. One of the simplest ways to explain the power-band was “offended.”
The triple clamps had been Professional Circuit specials and the most well-liked offset was inventory however different choices had been out there.
After driving the completed product we will see how McGrath gave the younger weapons of Supercross suits. The machine inspired going quick and getting free.
ATHENA BIG BORE STROKER KIT:
Athena affords a variety of cylinder kits for off-road bikes with diameters and portings utterly re-designed as authentic spare components and/or particular enhance for use on tracks. Specifically, racing kits encompass lighter pistons with a flat head, particular portings, an exhaust bridge, and a brand new cylinder head designed to extend the compression ratio and enhance inner combustion. For particular bike fashions, Athena additionally provides particular lengthy stroke Racing kits full with crankshafts and bolstered connecting rods.
Value: Beginning at $919.99
MAXIMA CHAIN WAX COMBO KIT:
Cleanup, MPPL, and Chain Wax are a successful mixture confirmed to extend horsepower and prolong chain and sprocket life. Maxima Clear-Up is an emulsion-type degreaser glorious for chains and sprockets that simply washes out with water. Maxima MPPL is a superior all-purpose spray-on penetrating lubricant that gives a superb barrier in opposition to rust & corrosion. Nice for displacing moisture. Maxima Chain Wax is Americas #1 chain lubricant. Unique Parafilm system sprays on as a liquid, penetrates after which units up as a tender waxy movie, creating and glorious lube that protects the chain from the weather. Excellent rust & corrosion protectant. Won’t fling-off or entice dust.
RIDE ENGINEERING 22MM OFFSET YZ CLAMPS
Our new YZ clamps now provide a full manufacturing facility rubber mounting system. One of the best half is riders with older bike can now have this benifit with little additional value. Add our 1 1/eight″ over-sized rubber mounted bar mounts that cut back handlebar twist within the occasion of a crash (YZ-BBM00-CA). Utilizing suggestions from the Manufacturing unit Yamaha race crew, we constructed extra flex into these clamps and made them appropriate with the older fashions.
Robby Bell, Ryan Abbatoye and Justin Seeds had a ridiculous concept. They determined to take a 12 year-old motorbike to one of many hardest races in California. The end result was much more weird. Right here’s how they remodeled a forgotten motorbike into the winner of the 10 Hours of Glen Helen, as informed by Robby Bell himself.
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