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Honda VFR 750R RC30
Honda RC30 marked a huge leap forward in Japanese motorcycle design. It was the first Japanese bike to rival the beauty and build quality previously the domain of exotic specialists like Bimota. When it hit the market in 1988 the press were in danger of running out of superlatives. And dealers soon ran out of bikes to sell to the well-heeled enthusiasts who queued up to spend twice the price of a Suzuki GSX-R on the most talked-about bike for years. And the talk was certainly no exaggeration. The RC30 combined the light weight, quick steering and fantastic rider feedback of a race bike with excellent ride quality, reliability and perfectly stable behavior on even the most indifferent road surface. The RC30 - also called the VFR750R, but everyone referred to it by its factory code name - was based on the all-conquering full-factory RVF750 Endurance and Fl bike. When Fl gave way to World Superbikes, one-off bikes like the RVF were no longer eligible, so the RC was designed from the start as a limited edition road bike, intended to sell just enough to qualify for World Superbikes. Crucial parts - such as chassis, engine casings and carbs - can't be changed under WSB rules, so they needed to be ready to race. In other areas, Honda were free to concentrate on making the RC30 reliable and user-friendly for the road, knowing that those parts could be changed for racing if necessary.
The RC's V-four is a superb road engine. It's smooth, extremely powerful and very reliable. It's also instantly recognisable - you can't mistake the sound or feel of a Honda V-four, whether you're sitting on a standard RC30 blipping the throttle, or sitting by the side of the TT course listening to a tuned example on full throttle. The RC has a rich droning exhaust note that never really sounds as though it's working hard. On die road, it probably isn't - even first gear on the RC's close-ratio box is enough to take you to 80mph, so full load in top gear isn't something the RC has to put up with very often.
On the track of course, hard work is what it's all about. A full factory race kit was available from the start - containing everything from modified pistons to new camshafts and crankshafts - as well as kits from the many independent tuners who brought their skills to bear on its complex V-four engine. And the RC30 was born to race. It raised the stakes in the fledgling World Superbike Championships, dominated the demanding Isle of Man TT course and became the bike to have if you wanted to get anywhere in World Endurance. It would be a long time before the other manufacturers caught up. Visually, the RC shouts its race credentials with its single seat, its smooth, uncompromising lines and its single-sided swing arm at the rear. The latter was designed, like the quick-change mechanisms on die front forks, to waste the minimum time on pit stops in 24-hour endurance races. For the road it has no real function except to look good - and it certainly docs that! Hidden away above it, though, is one of the most perfectly set-up suspension systems ever fitted to a road bike. It tracks over bumps as though they don't exist, and it would take a racetrack to make it misbehave. The forks, too, are well set-up they may not be fashionable inverted types, but it's the quality that counts. It's a testimony to the excellence of its design that even now, eight years after its launch, the RC30 is still capable of top ten finishes at the TT, and it's still a stunning bike to ride on the road. Source Super Bikes by Mac McDiarmid
Battle of the V4s: Honda VFR750R RC30 vs Aprilia RSV4 Factory APRCWhat can we say about the Honda RC30 that
hasn’t already been said before. Yes, we’re among the vast number of fans which
the 750cc V4-engined VFR750R still has more than two decades after it was
launched. A mere 3,000 units of this bike were produced between 1987-1990 and
even back then, it cost a massive US$15,000. The RC30’s claimed dry weight was
185 kilos and according to some magazine road tests of the era, the bike weighed
as much as 215kg with all fluids and a full tank of fuel. And by modern
standards, the 750cc V4’s power output was rather ordinary – 112bhp at
12,000rpm, which went up to a more respectable 133bhp with the HRC race kit that
was available from Honda.
Based on Honda’s RVF750 world endurance and TTF1 racebikes, the VFR750R RC30 was
essentially a ‘homologation special,’ built to satisfy the requirements of the
World Superbikes series which started in 1988. The first batch of 1,000 bikes
was released in Japan in 1987 and sold out quickly, despite a price tag of 1.5
million Yen. The RC30 came to Europe in 1988 and to the US in 1990, by which
time it had already won the first two WSBK titles – Fred Merkel won the 1988 and
1989 World Superbikes championships aboard the VFR750R. Apart from WSBK, the
RC30 was also very successful at the Isle of Man TT races in the hands of riders
like Steve Hislop, Joey Dunlop and Carl Fogarty.
Speaking of the Aprilia, their V4-engined RSV4 Factory APRC – which won the 2011
WSBK championship in the hands of Max Biaggi – today occupies the spot which the
RC30 held almost 25 years ago. It’s sharp, edgy, exciting, high-tech and
properly exotic, all of which the RC30 was back then. So, the next thing you’d
think about is, how would the two bikes – iconic machines belonging to two
different generations – stack up against each other? Surely, in terms of
outright performance and handling, the 25-year-old RC30 can’t possibly stand a
chance against the RSV4, which has a bigger, vastly more powerful engine and a
full complement of modern-day electronics, including traction control?
While V4 pioneers, Honda, have left their fans – who are looking for a sporty V4
– out in the cold for many years, Aprilia welcome those V4 fans with open arms.
All right, so there is not much wrong with the inline-four – current engines
have reached a high level of perfection, running smoothly and oozing power.
However, a V4 still somehow sounds more exciting, makes the heart beat faster,
boosts adrenaline levels up higher and sounds racier and more exotic.
The RSV4’s engine is a 65-degree V4 where the Honda RC30’s engine was a
90-degree V4, making it primarily better balanced. Still, the Honda’s V4 is not
perfectly smooth – with its 360-degree crank, HRC went for the ‘big bang’ power
effect on the RC30, which purrs like a kitten up until 6,000rpm, but growls and
vibrates noticeably above that. Not that that is bothersome, just as on the
RSV4, which also rumbles and pulses impatiently, but which has a counterbalancer
shaft to smoothen things out.
Remarkable, too, are the combustion chambers. With a bore of 70mm, Honda
engineers selected 28mm inlet valves, while the Aprilia has 32mm valves with a
78mm bore. The difference between the two is the so called inlet flow-through,
which is determined by valve diameter and valve lift. And that is where the
Aprilia clearly has the better cards, with a lift of 10.2mm. With a free inlet
surface of approx 1,450mm sq., it sucks fresh air via 48mm stacks from an
8.2-litre airbox and two injectors squirt petrol into its combustion chamber
with millisecond accuracy – if need be, up to 14,000 times per minute. With a
52mm stroke, the Aprilia’s pistons then reach an average speed of up to 24.41
meters per second.
In terms of throttle response, the Honda is head and shoulders above the
Aprilia! The RC30 is silky smooth and responds to throttle inputs immediately,
while the RSV4 actually comes across as less polished in comparison. And the
Honda’s chassis is also brilliant – immaculate handling in fast sweepers and
almost Ducati-esq straight line stability. But as you might expect, the RSV4
goes beyond that, with imposing precision, surprising flickability and thanks to
its very firm suspension, excellent stability. The Aprilia’s extraordinary
‘balance’ is not just because of the way its engine is positioned in the
chassis, but also because of the fuel tank that runs under the seat as well. In
its day, the RC30 was the best in terms of handling, but today the RSV4 has gone
one better – it feels like a 600cc machine with litre-class power.
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