I've had GPX 750 R for 8 months now.
The only problem with it is the pillions on the back, they won't stop screaming.
What a great cheap bike. Well recommended.
Have one since 1993. Excellent bike. Keeps up very well. Saw on the tachometer 250 Km/h. Problem only with cam chain.
I've had a gpx750r for the last 6 months and I think it's fantastic. I've had 145mph out of it.
It came with air filters, but I put the original air box back on and now it performs great. Keeps up with the zzr very well. In fact much easier to wheelie on.
More balanced than most older bikes.
Had my GPX750R for two weeks now, an import from Japan with only 25000kms on the clock. It's got a kerker 4 into 1 exhaust on it, which sounds fantastic and is very very loud.
I can't believe for a nearly twenty year old bike how quick it is. It made a 40 year old feel like twenty again. Awesome...
THE GPX 750.
What can I say, well it's a tank slapping monster that will terrify the life out of you for one.
You see I have owned one for ten years now and it's on its last stage of refurbishment from the ground up.
Anyway the bike; yes it's very fast, although not as fast as someone said, but it's quick. I dare anyone to push it against a modern bike, and well I'm afraid it will bite with its 16" front and 18" rear to help it change direction quickly, which results in the above, but I love it. Nevertheless, it is a bike for the eighty's rider who didn't know any better. All you guys like myself will know what I mean.
Performance 150 MPH.
Touring excellent bearing in mind this was Kawa's answer to the early GSXR750s, and was quicker, but not only that, the GPX was not only a quick bike, but some how was quicker than the ZXRH1, which basically was a GPX engine, and can trace its heritage right up to the ZX7s. Next time you look at a GPX engine, and look at the ZXR750s, ZX7s and ZX9B models, you will see what I mean.
My view is that the GPX750 is a great bike and will do everything that's required; just don't chase ZX10s or Fireblades up twisty roads.
The old GPX750, you have got to give it respect, I've had mine for 6 years and she's been a dream, not once let me down and quick! Oh yes, very, keeps up with most modern bikes, not bad for 18 years old.
Must admit though, I've recently bought a ZX9R and it's not as comfy to ride as the GPX750, and for that reason I'll be keeping it.
10/10 for me, buy one and you'll know what I mean.
The GPX750R F3 is my first bike after passing my direct access in March 2007. I bought it for £950 and it had only done 30,000km. It was also an import, and had not seen much bad weather in its life. For these reasons it was in super condition. The exhaust is original and is in great condition also.
Since I've had it I've bought the following:
Front and rear Pirelli tyres: £175
Front discs: £50 (brand new from ebay)
Chain and sprockets: £90
Also since I've had it, I have done the following:
Rebuilt the top end (cam lobes and rockers got shagged after an oil blockage/shortage)
Ported and polished head
Still to do:
Either fit the new anti-dive unit I've got or fit progressive springs
Fit new rear disc
Change cam chain
Engine rebuild, mainly for the gearbox
Either service or replace rear shock.
I don't have any other bikes to draw experience from, but this bike pulls great and comfortably reaches 160mph. I tend to be quite aggressive through corners and have never had any doubts about its ability to stick to the road. I am quite a tall guy and this bike is a nice size for me. My brothers ZZR600 seems quite small when I ride that.
It has been a great first big bike so far, and I plan to keep it for as long as it remains in good condition. I'll ride until it dies.
I was lucky enough to buy a second GPX750 that had been made ready for racing, but never reassembled. I got it for £120 and has been a great source for spares, and will be for a while longer.
I would highly recommend this bike to anyone that has just started or anyone on a tight budget, but still wants good speed and lots of fun.
Replacing cam chain won't lessen the cam chain rattle, been there, done that, twice. ;) I had one 7 years, bought a new bike, didn't like it, sold it and bought another one 2 years ago. :)
Instead: Repair the cam chain tensioner, it's too short. Easy to test, too: Take tensioner out and measure the distance to chain pusher by a stick, press firmly. Now compare that distance to maximum length of the tensioner. I got almost 4mm difference and that's a lot. Also note that 5mm extended tensioner goes effortlessly in place with brand new chain and chain sliding pads: Tensioner definitely is too short at the factory: Planned obsolescence obviously.
Tank slapping isn't a feature, it's worn rear swing bearings combined to worn main bearing. (Have happened to me, vanished with new bearings.)
Good: Goes straight in the highway effortlessly as long as you want, relatively high torque even at low rpms, powerful engine, relatively comfortable sitting position and soft seat, something you don's see nowadays. "Sporty touring bike" would be the category now and it fits in there very well.
Bad: Cam chain rattle (see above), valve clearance, intake leaks between carburators and air cleaner (hardening rubber hoses, standard failure), bad suspension. Turns like a piece of railroad track, needs a lot of force. High maintenance, valve adjustment needed about 3000km interval if you want to keep them quiet and not too tight either.
Chassis is so 80's, as many of you have noticed, but on the other hand you can ride this bike on gravel at 60mph. Try that on a modern superbike. :)
Summa summarum: This bike have some personality, I'd suppose most people like it or either hate it as a brick, which it is. :)
Brought my GPX in 1999 for around £1000.00. Have replaced front discs, pads and hoses. Chain sprockets and service items in that time. Engine still runs smooth and sweet and I've never had to open her up. I find the seat and riding position very comfortable.
The good points are;
Great riding position
Sticks like glue on corners
Very quick, beats a lot of modern bikes
Parts still plentiful
Price of a new exhaust
Carb inlet rubbers going hard with age
It's at that age (like me) when things start to fall apart
Just spent 4 months off road repairing the fairing and cooling system. Only to find when I took her for a spin, she won't go up the gears. She ran fine before I did the other work. I think summer will be gone before I fix the fault. It's the age.
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