Sporty Suzukis trimmed­down

Changes prom­ise im­proved fuel ef­fi­ciency and an eas­ier ride, writes Craig Duff

Herald Sun - Motoring - - Bikes -

SAV­AGE cuts to the Suzuki GSX-R600 and 750cc sports­bikes have made the race­bred duo bet­ter bikes and im­proved fuel ef­fi­ciency by a claimed 10 per cent.

The bikes look sim­i­lar to the ex­ist­ing mod­els, but the 2011 600 weighs a stag­ger­ing 10kg less than the old unit and tips the scales at 187kg, with the 750 trimmed by 9kg to 190kg.

The changes should mean bet­ter per­for­mance even with­out changes to the en­gine, but it has also been re­vised to re­duce fric­tional losses.

The fair­ing is now thin­ner and uses eight fewer com­po­nents with­out sac­ri­fic­ing rider pro­tec­tion or drag co­ef­fi­cient. It cov­ers a lighter and nar­rower chas­sis and the wheel­base has been short­ened by 15mm for snap­pier han­dling.

The tank has been re­shaped for eas­ier rider tuck-in and the ad­justable map modes now come with two lev­els in­stead of three. The in­stru­ment panel has been do­nated by the Gixxer 1000, giv­ing rid­ers a lap timer and pro­gram­mable shift.

The front sus­pen­sion is now dealt with by 41mm Showa Big Pis­ton Forks and top-shelf Brembo monobloc, four-pis­ton calipers are matched to a 280mm disc on the front. The reardisc size is down from 188mm to 186mm. Still no talk of ABS on the bikes, but that won’t worry track-day war­riors. The en­gines use the same bore and stroke as the out­go­ing model, but the in­ter­nals have been tweaked to cut weight and max­imise oil flow. First gear is now slightly taller to match the ra­tio spread of the other five cogs and the ex­haust sys­tem uses thin­ner pipe walls.

Along with the new Gixxers, Suzuki showed its new GSR750. It’s a de­tuned and de-specced, naked ver­sion of the GSX-R750, mean­ing it will come in as a price fighter and com­pete with ev­ery­thing from Tri­umph’s 675cc Street Triple to the Yamaha FZ8 and Kawasaki Z750R. The front forks and rear shocks will only have preload ad­just­ment.

All three bikes should be on sale in Aus­tralia in March.

Snap­pier han­dling: Suzuki’s GSX-R600 and the GSR750 (top left) have been made lighter.

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