poo poo of this newfound power was that after a monster midrange hit, the
power trailed off too soon, offering no overrev for those in-between corners
were you want to grab an extra gear, but can't.
After chatting with the Arrow exhaust distributor Gio-Moto at the Indianapolis trade show and having them confirm that they indeed had a Supermotard specific pipe available for our bike. We decided to sell our first-born child to finance the purchase of this system.
by Gio-Moto, this pipe is ear-bleed loud… but the
power, oh the power. The bike can be trickled around the streets off the
cam, quite effectively, if not briskly. Give the bike some welly though and
be prepared for a complaint or three. Thumpers? Power equals noise I'm afraid,
I can restrain myself though… really I can.
almost forgot, the stock XR is geared for around 99 mph, give or take. Vortex Racing
kindly supplied us with a 42-tooth sprocket, down from a stock 48-tooth.
The bike easily wheelies in the first four gears and 5th is more like a relaxing
overdrive (not). Top speed should be around an estimated 120 mph(ish).
bike dynoed at a disappointing 38bhp. We've yet to rerun this version. We
did enjoy a night at the drag strip whilst in a semi-derestricted mode (enlarged
intake and hollowed out baffle, sans exhaust or HRC kit). The
bike also still enjoyed its knobbied tire selection and I ran this setup
against the Supermotard prepped KX250 of DaveW (which dynode at 48.8) the
action was pretty tight with two wins apiece and a final best of 13.9 on
the XR. A rematch is on the cards
bike's not street legal yet - It will be. Part 2 (or is that 3?) will showcase
a decent street legal setup - It'll probably feature an over-the-top kit
that'll have turn signals too. I can't express the joy of going around the
outside of a sportbike in a tight corner with your turn signal on, all whilst
tooting the horn… I also have a Summers Racing Components fork brace to firm up a
floppy front end, some general detailing and, of course, a full ride report.
I'll also come back with a final Dyno power figure and a much improved drag
strip time so DaveW can enjoy a proper arse kicking too.
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