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June 7th, 2017, 11:12 AM   #1
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Post Triumph confirmed as new Moto2 engine supplier

Triumph have finally confirmed the intense rumors that have been coursing through the MotoGP paddock are true – they are the new engine supplier for Moto2, with the switch from Honda happening for the 2019 season.

The engine that will power the entire Moto2 grid for the three-year deal is derived from the new Street Triple RS 765cc road engine – and the changes are fewer than you might imagine.

In road trim Triumph claim performance figures of 121bhp and 56.7ftlb. But for the Moto2 engine the firm has pushed those claimed figures out to 131bhp and 59ftlb by making a few key changes to the engine’s ability to breathe harder and burn more fuel – combined with fewer electronic restrictions. The inlet and exhaust valves are both bigger than stock, the valves are now titanium to reduce inertia, and they use stiffer springs to allow a higher (undisclosed) rev ceiling. And more revs means more peak power.

Other key changes include the use of a tuneable FCC slipper clutch, and a race kit alternator that helps reduce inertia, while the new alternator cover can now be slimmer to improve ground clearance. The sump has been redesigned, too – maintaining the same volume, but having a flatter symmetrical profile to allow teams the option of routing the exhaust headers down either side of the bike.

Source: MCN
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June 7th, 2017, 11:48 AM   #2
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It may be time to trade in my Daytona 675 for one these Street Triple Rs'...
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June 7th, 2017, 12:09 PM   #3
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Mid-sized bikes have come a long way. My FZ600 in '88 only made 54hp in stock trim. Tho after Kev Cameron rebuilt it and added Kehin Flat-Slides and Dymag wheels and a TZ250 swing arm - it kept up nicely with RS250s in mild tune. Man I miss that bike.
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