Auto's & Motoren
Performance Bikes

Performance Bikes February 2016

Performance Bikes is the magazine that helps YOU get the most from your very fast motorcycle. Every issue of PB comes PACKED with... - Exclusive stories on the best modified bikes in the world - Real-life experiences, journies and road-trips from our team of expert writers - Real-life stories from YOU, our readers - Road tests you can trust - Fab photography and a sense of humour that'll have you smiling as you read If you love fiddling with your bike as well as riding it, Performance Bikes is essential reading.

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In deze editie

1 min.

WELCOME TO THE February issue of Performance Bikes magazine – it’s totally packed with some of the finest motorcycles on the planet. The first bike you’ll see here is the Suter MMX500. A vision of former GP racer Eskil Suter, it mixes the concept of a 500GP bike with a modern chassis, fuel injection and probably the first all-new big-bore, two-stroke race engine for 15 years. I went to Suter’s amazing Swiss factory to find out the real story behind it and in the months to come we’ll be riding the bike, too. It’s a truly stunning piece of kit, as you’d expect from the company that won Marc Marquez his Moto2 title. We also spent a huge amount of time in this mag poring over some amazing Ducatis. I was lucky enough…

1 min.
pb’s big question

MATT WILDEE EDITOR matt.wildee@pbmag.co.uk Bimota V-Due. It was peaky, vibey, beautiful and brilliantly shit. Loved it SIMON RUSSELL ART EDITOR simon.russell@bauermedia.co.uk I’m a four-stroke man, but there’s room in my house for an AR50 ornament CHRIS NEWBIGGING FEATURES EDITOR chris.newbigging@pbmag.co.uk Rick Lance RG500. Fast, tractable, brilliant handling, unlike most Gammas JOHN McAVOY ROAD TESTER editorial@pbmag.co.uk Kenny Roberts Jnr’s 1999 RGV500. Still the best thing I’ve ridden working for PB MICHAEL RUTTER TRACK TESTER editorial@pbmag.co.uk RGV250K. It looked like a GP bike, and I was lucky enough to have one at 17 MARK WHITE TECHNICIAN editorial@pbmag.co.uk My favourite two-stroke involves vaseline and a locked bathroom door RUPERT PAUL CONTRIBUTOR editorial@pbmag.co.uk Kawasaki KH400 in metallic green. Oil on my flares SIMON HARGREAVES CONTRIBUTOR editorial@pbmag.co.uk Kawasaki KR-1S. Everything a stinkwheel should be: wild and edgy KAR LEE CONTRIBUTOR editorial@pbmag.co.uk Not my MB50; that was a steaming pile of castrated sub-30mph shite JOHN McGUINNESS COLUMNIST editorial@pbmag.co.uk The TSR250 I won the British 250GP series on. So good, I built a replica CHRIS WALKER COLUMNIST editorial@pbmag.co.uk Racebike? 1995…

6 min.
stroke of genius

‘It’s powered by a 576cc, fuel-injected, twin-crank V4 of Suter’s own design’ THIS IS QUITE simply the fastest, most advanced two-stroke motorcycle that’s ever been produced – a vision of what could have happened if factory teams had continued to develop 500s. The chassis, engine, fuel injection and aerodynamics have all been designed, perfected and built in-house by Swiss engineering gurus Suter Racing Technology. It’s oil-burning, ring-a-ding pornography. Let’s talk figures. The MMX500 is powered by a fuel-injected 576cc, twin-crank, 80-degree V4 of Suter’s own design. It produces 195bhp on SRT’s own dyno cell and is fitted in a bespoke chassis that drips in Suter’s recent race-winning heritage (they were Moto2 world champions with Marc Marquez) and weighs 130kg. That’s bang-on the old 500GP weight limit. Each bike is hand-built by the same…

1 min.
suter mmx500: under the skin

EXHAUST As standard, the bike uses four steel expansion chambers developed on Suter’s engine dyno and tipped with carbon/titanium Akrapovic-made silencers. The Slovenian firm are making a full titanium exhaust system for the bike. CHASSIS AND SWINGARM Machined and welded in-house, just like Suter’s Moto2 offerings, the chassis is a combination of billet headstock and swingarm pieces joined by frame spars that are also machined from solid. Suter say this allows for more accurate construction and allows you to tune chassis stiffness better. The chassis is adjustable for wheelbase, and steering head angle. The swingarm again uses experience gained from recent MotoGP and Moto2 chassis, and takes up as high a proportion of the 1450mm wheelbase as possible for maximum traction. Suter offer a range of linkages, according to application. BODYWORK Carbon-fibre fairing is manufactured…

2 min.
suter mmx500: the engine

THE FIRST ALL-NEW two-stroke race engine for years isn’t just a reworking of the Swissauto 500 V4 that Suter ran in the late 1990s. That was a 90-degree V4, but this is an 80-degree V4 with the vibes cleverly damped out by the counter-rotating crankshafts. With a bore of 56mm and a stroke of 58.5mm, the 576cc motor is under-square, but delivers more bottom-end power than a 500. “If you use four 125cc cylinder units you still have that missing torque below 6000rpm and there is a step as the power kicks in,” says Suter. “But without having to make it legal for racing we could increase the capacity with a longer stroke. The power is now more linear but still has a top-end. It is a safer ride. It’s…

1 min.
suter mmx500: in detail