The Cafe/2Stroke/Single/Twin/Brit/Euro/Cool Bike Pic Thread [Archive]…

19 Мар 2015 | Author: | Комментарии к записи The Cafe/2Stroke/Single/Twin/Brit/Euro/Cool Bike Pic Thread [Archive]… отключены
Aermacchi 175 Chimera

The original Two Brothers Racing (NT650 Hawk)

have any better pics of bike?)

Two Brothers Racing

The of the RC31 would terminate without the intervention of three old North American road team TBR, comprised of Kevin and Craig Erion their tuners Mike and Dan Kyle. In 1989 TBR selected the Hawk GT as their racing

“Nobody had raced the Hawk,” Erion. “We missed the first two of the season developing the bike to the total surprise of all, we and won the remaining five races, the 1989 GP2 class championship.” In TBR moved up to campaign in the open-class Pro GP1 series, finishing 3rd overall for the “We took that bike 39 rear-wheel horsepower in stock to over 70 horsepower (probably in race trim,” said “We were competitive and we began to get

In 1991, TBR traveled to Japan to in the All Twins Battle and they the attention of HRC Director Mr. Oguma, who them to visit Honda RD to the NT650’s designers and discuss to increase power. “A designer at RD, Mr.

Hasumi, became interested in our said Erion. “His was designing the CBR600F2 for ‘91, and wanted to field an F2 race For 1991, TBR had a Honda contract to the F2 in Supersport and the RC30 in Superbike, beginning a relationship with that would flower and fruit for many years to While TBR had moved on from the platform, other teams had suit and were tasting with the RaceHawk. ( (

T.B.R. Race specification.

The basic ot the RC31 race engine was based upon his years of at Honda Racing. The heads ported by a respected Canadian, Tomacic, and according to Erion, better than factory VFR The RC31’s heads were with 1mm oversize Del West valves, which weigh 60 percent as much as steel Light titaniurn valves to follow a cam contour long steel valves would floated.

Velasco selected a Megacycle based on what had worked in Ascots. Three-milimeter-oversize Wiseco pistons (82mm) were increasing the displacement to 700cc a compression ratio of 12:1. Con were cut from titanium by Crowers really big, and 60 to 70 lighter than stock, Erion.

The downdraft intake was topped by two 39mm racing CV taken from an RC30 kit. Ignition came a Honda RS750 dirt-tracker, 36 degrees advance by about rpm for optimum performance with compression. The new ignition system the rev limit to 12,000 RPM and eliminated the for a battery. The Exhaust system were copied straight the RS750.

Kerker fabricated the two-into-one pipe in stainless, feeding an canister and muffler section.

longevity was increased by the installation of an radiator and another sourced a VFR750. Coolant from the radiator was pumped to both in parallel, eliminating the issue of cylinder overheat experienced O.E.M. sequential routing.

A road-race front end was lent by taken from a ex-Joey Isle of Man TT1 bike. Twin disk brakes, machined-from-solid with Nisin pads, more than double the stopping power. A Fox shock the rear suspension.

The 17-inch rims were shod with bias-ply rear mchelin 250 GP slicks.


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