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Honda VFR 750R RC30

 

 

 

 

Make Model

Honda VFR 750R RC30

Year

1990

Engine

Liquid cooled, four stroke, 90°V-four cylinder, DOHC, 4 valve per cylinder.

Capacity

748

Bore x Stroke 70 x 48.6 mm
Compression Ratio 11.0:1

Induction

4x 35mm

Ignition  /  Starting

-  /  electric

Max Power

103 hp @ 11500 rpm  (rear tyre 94.8 hp @ 8250 rpm)

Max Torque

53 ft-lb @ 10500 rpm

Transmission  /  Drive

6 Speed  /  chain

Front Suspension

43mm Telescopic forks 140mm wheel travel with preload rebound damping adjustment

Rear Suspension

Pro-link single sided swingarm, preload and rebound damping adjustable, 130mm wheel travel.

Front Brakes

2x 310mm discs 2 piston calipers

Rear Brakes

Single 220mm disc 2 piston caliper

Front Tyre

120/70 V17

Rear Tyre

170/60 V18

Dry-Weight / Wet-Weight

185 kg / 212 kg

Fuel Capacity

18 Litres

Consumption  average

14.8 km/lit

Braking 60 - 0 / 100 - 0

 13.4 m / 35.1 m

Standing ¼ Mile  

10.9 sec / 199.5 km/h

Top Speed

244.3 km/h

Manuals

Technique RC30    /   Microfiches   /   Techniques  /  Microfiches

Reviews

 Motorcyclist  /  v-four.freeserve.co.uk  /  Motorcycle-USA  /  RC30 article   /  MCNews  / La RC30 dans la presse  /  Hondavfr.de    /  Hondarc30.free.fr  /  clubrc30.net

Honda RC30 marked a huge leap forward m in Japanese motorcycle design. It was the »-. S 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 behaviour 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

Performance Bike 1990

I'm better now. At last I've come to accept that some good things can't last torever. We seemed to have so much in common yet, deep down, we both secretly knew that we were bad for each other and we must part and go our own separate ways, sniff.

There was something about the flat-sounding exhaust note of the RC that got to me. Perhaps it was after watching Geoff Johnson on the all-white, 180° crank VFR flash through the Verandah and up Hailwood Rise, or maybe it was seeing Joey on his works RC howling past the pub on Sulby Straight. The off-beat, gruff wail of the 4-2-1 pipe produces the most haunting note this side of the Coronation Street theme tune but I know which I'd rather listen to. So does my adrenal gland.

It was a noise that even my motorcycle-hating neighbours couldn't object to (it was quieter than my 1952 Villiers-engined lawnmower so how could they complain?). All they ever heard was a high pitched squeak from the starter motor and I was gone, hidden behind a
mist of condensation. Yes, Mr and Mrs Noseybastards had a fortnight of tranquillity; all they could do was marvel at the washing machine-ness of the exhaust note at tickover and say, "what a lovely bike".

The first time I clapped eyes on the RC30 at the NEC show, it was just a dream. When I first raced one at Mallory, it was a stimulant of gigantic proportions. Later still, stuck in traffic, with its temperature gauge nudging the danger zone, slowly cooking my inner groin, it became a contraceptive.
Riding as the power delivery dictates (between 11 and 12,500rpm), the wailing Honda becomes a tool of potential self-destruction; anything that'll do 80mph in first gear in the hands of somebody with as little self control as me quickly becomes a licence-buster or a first class way to examine the interior of intensive care. Fortunately I was lucky, but the end of every ride was a mixture of euphoria and relief.

The RC30 doesn't hide its race track breeding, but it's not uncomfortable — in fact its seat and ergonomics are more sumptuous and supportive than a ZXR750. No, it's the RC engine's manners that make it such a buzz to ride. Although above 11,000 it produces just a tad more power than a VFR750's, and below that the VFR is stronger (which makes it safer to ride on the road), it's the kick in the pants at 11,000 which makes the RC a gas on the open highway.

Humps and crests appear where you never knew they existed. Kinks on dual carriageways suddenly become tight corners. With your head tucked behind the low screen, listening to the noise, the sensations of speed and excitement are heightened.
Honda say only 30 of the 150 RCs imported in '88 made it to the track, the rest finding their way into extremely well-heeled road riders' hands (is this why it was code named RC30?). Dealers say they can't get hold of enough RCs to satisfy demand. Most buyers are aged between 35 and 45, trading-in the BMW or CBR1000 and pay cash. Just in case you're interested, most are also businessmen. The exception to this middle-aged rule was a local 20yr-old builder who saved and saved until he could fulfil his dream. He owns an FZR1000 Genesis as well. If you're keen enough and believe you could do an RC30 the justice it deserves, it's worth selling the house and moving back in with the parentals.

The measurable performance of the RC isn't much better than most of the latest 750s; the acceleration is worse from a standstill, the brakes are good but not as good as a ZXR750's, the economy is in the tuned two stroke department and the price difference is... well.

But don't think the RC is a waste of money. As soon as you stop feeling humbled by the razor-sharp steering and unusual riding position, your expectations of what is possible skyrocket. I never imagined that a bike could be this together, even after reading all the road tests. On the road it does everything you want and more. Using the wide rev range to the full, from 4 to 12,500rpm, the sensation is like a huge elastic band. Nothing else I've ridden comes close.

Riding it hard requires copious amounts of concentration mainly because it means three figures, but also because all the controls need such delicate yet deliberate operation. But to really motor most of the rider's concentration is devoted to keeping the tacho somewhere between the 11 and 12,500 marks. In this region the engine and exhaust howls take on a totally different note; if you've ever seen V for Victory you'll know what I mean. Three figure wheelies over the top of crests that once looked flat make sure that the wildly grinning rider doesn't have any time to relax.

The RC doesn't have to be ridden in its serious power band all the time. Whilst it may not be happy bumbling around in traffic (the ridiculously high first gear puts paid to that) its V-four flexibility will permit it. But it's not much fun.
Nearly ten big ones for a bike? If you've got it, or you live at home with mum, haven't got a mortgage and understand that the RC is exotic, bloody fast, safe — on account of its superb steering and suspension — it's a bargain. A quick peek through the MCN classifieds shows that most RCs are rich men's toys It's a crying shame bikes in private hands aren't used as they should be. After all, the RC30 can only be really be appreciated when ridden at 100%. If only it were half the price.

Mark Forsyth
RC30 TAKE TWO
The RC30 possesses two planes of efficiency and excels at both. Anyone can ride one and appreciate its stability, power and unashamed opulence, and as a road bike there's nothing awesome or unmanageable about it (as long as you remember which way the throttle works). On the track however, a previously undreamed-of level of excellence is discovered. It's not that the RCs capabilities are beyond the road rider, it's just that road riding, no matter how rabid, could only probe at the outer edge of what could be.

The RC30 feels like an RGV250 with a VFR750 motor, and is far more civilised than something like a ZXR750. When riding big four cylinder bikes I find myself looking for another gear; the RC, with its tall ratios, always has one. This makes everything at legal speeds very relaxed, like a big twin. A comfy seat, lots of brakes, and suspension which I didn't need to interfere with, left nothing to complain about.
If you have the money and understand exactly what you are getting then you won't be disappointed. If you just have the money, an RC30 will line up quite nicely in the garage alongside the jet ski and mountain bike you already have.

Peter Comely
RC30 TAKE THREE
Of course the RC is worth it. It's at least twice as stunning to ride as a bike worth half as much, like a ZX-10. And, I was surprised to find, even an average rider can appreciate the difference. Unfortunately the RCs kind of money is totally out of touch with real people and real wages, and when you see what kind of people are buying RCs for the road and what they're doing with them, it near enough breaks your heart.

Or does it? Theoretically, as Editor, I could have an RC30 as a company car (it's cheaper than an Astra). But I freely admit I couldn't handle it. The first time I hit top gear on the RC it was doing an indicated 145mph. Shortly after that it wheelied over a hump in the road I'd never noticed before at 120mph. With my inexperienced hands hanging on far too tightly on bumpy A-roads, the bars viciously snap from side to side almost all the time. At Bruntingthorpe, Forsyth got 155mph with jeans and a baggy Belstaff jacket. It makes you
ride at 140mph when even 100 would be a bit on the silly side. It is, to put it bluntly, a complete liability — not because of what it is, but because of what it makes you do. And you don't even feel guilty.

I later discovered that the tankslaps go away if you relax your grip on the bars, but I'm sure that if I owned an RC for six months I would either be mad, dead or banned. Even if I wasn't any of these things I'd still be ready for the flat cap, pipe, Harris tweed jacket and a C90. The trouble with the RC30 is it takes even average bozos like me to levels where we don't belong. It is quite amazing (and, I hasten to add, a bloody good thing too) that there isn't a law against it.
Rupert Paul

Source Performance Bike 1990

 

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