Un­der the skin of the lead­ing TT su­per­bikes

Motorcycle News (UK) - - TT 2017 PREVIEW -

Th­ese bikes are al­most proof that you can have too much of a good thing. With huge swathes of barely-tamed power, light­weight chas­sis that bor­der on the edge of sta­bil­ity and the best sus­pen­sion, brakes and elec­tron­ics that money can buy, they wouldn’t be out of place on a WSB grid.

De­spite all the kit, there is a knack to mak­ing them fast – and of­ten it con­founds the team – to the point where a pro­duc­tion su­per­stock bike can be faster. So, to see what the top guys do to make their su­per­bikes the best they can be, we grilled their crew chiefs.

Swingarm “We used a cus­tom swingarm from Suter last year, and we’ve an op­tion to run a re­vised ver­sion of that but we are also con­sid­er­ing us­ing a mod­i­fied standard ver­sion.” Sus­pen­sion “We’ve worked with K-tech to pro­duce a whole new fork this year and we’ve also got a re­vised rear shock set­ting which we’ve found to be work­ing re­ally well.” En­gine “We have sev­eral ver­sions of en­gine pro­duced by BMW, all of which are available to any BMW cus­tomer team/rider. We do most of the en­gine ser­vice work in-house at TAS.” Tank & sub­frame “We use BMW’S standard sub­frame on the roads, and our in-house mod­i­fied tank, ex­panded to fit the fuel needed to com­plete the races at the TT.” Right­foot gearshift “After Hutchy’s leg break, he runs a right-hand gearshift – a sys­tem we de­signed in-house. We went through sev­eral ver­sions to get it right.”

The BMW’S dash it­self is a standard fit­ment

Con­trols for se­lectable en­gine maps

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