LIGHT­WEIGHT

Motorcycle News (UK) - - TT 2017 PREVIEW -

Re­plac­ing the 250cc two-strokes of the old Light­weight class, Su­per­twins com­bine cre­ativ­ity with a huge amount of speed. James Hil­lier holds the cur­rent lap record, set in 2015 at a speed of 120.848mph. Su­per­twins are ba­si­cally 650cc com­muter twins with higher-end sus­pen­sion. The frame can’t be mod­i­fied but you can re­place the swingarm – many Kawasaki run­ners use the lighter ally swingarm from a Ver­sys 650. Ca­pac­ity must stay the same, but you can re­place pis­tons, cams, tune the cylin­der head, lighten the in­ter­nals and fit a quick­shifter and slip­per clutch.

Power 90bhp Weight 140kg Top Speed 160mph Cost to build £20k

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