Justgrazing Posted November 25, 2018 Share Posted November 25, 2018 4 hours ago, thaiguzzi said: Yeah, truly horrid i agree. I am from that school of thought, more than 2, and on special occasions 3 (MV, BSA & Triumph) cylinders is a complete waste of the internal combustion process. Flywheel weight, and less cylinders = torque. And i like torque. More cylinders = more rpm = the devil incarnate. Hahahaha on special occasions 3 .. Yes Guzz' world of long stroke torque laden slow revving engines is gone .. Rev's sell and t'is the fashion throughout the engine world now trucks , car's , bikes ( MT01 a rare exception ) all do higher revs now .. Back in the day ( 70's ) a RR Eagle diesel would shunt out its most torque 1200 to 2000 revs ( redline 2400 ) but could pull a house down ( literally I've seen demolition blokes use a Foden 8x4 fitted with an Eagle rope a building with a steel Hauser to the back of the truck then pull it down ) when I retired 10 yrs ago an Iveco Stralis of similar capacity made a similar amount of torque but a lot further up the rev range .. Jag XJ6 40 odd yrs ago was a long stroker that never liked high revs and did its best work below 3/3500 revs .. New Jags all seem to have engines now that scream upto 7/7500 rpm .. T'is the fashion that sells and why you always see the BHP figure given the emphasis over torque .. Usually just the bore and stroke is the giveaway , over square by any reasonable margin usually equates to a revver methinks .. 5 hours ago, thaiguzzi said: More stunning engineering though, will be found 15 years further back in time with Moto Guzzi's 500cc V8. Gear driven DOHC, 8 Dell Orto's etc etc Oh for sure it was an amazing piece of engineering and to pack it into 500cc was a tribute to the designer .. From what I've ever read about it one problem was overheating of the rear bank and ign gremlins at high revs causing misfires another .. Though as you can see at the time CB and coil was the method don't think reliable reliable transistor systems were around at the time for it .. But if we're honest Guzz' it weren't a looker was it .. 1 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 25, 2018 Share Posted November 25, 2018 Another V8 Italian the Moto Morini from early 90's I think .. With looks only its mother could love just focus on the engine .. 2 Link to comment Share on other sites More sharing options...
Popular Post damascase Posted November 25, 2018 Popular Post Share Posted November 25, 2018 (edited) 1 hour ago, kickstart said: Back to Triumph's, about the most famous Triumph triple, "Slippery Sam", and somehow Triumph got 84bhp out of that engine. and genuine porn, with those fishtail /ray gun exhaust, and the noise. It showed that it could be done, but the masses went for the new Honda CB750 and the demise of the British motorcycle industry. Problem for British bikes in those days was that the quality was lacking compared with the Japanese competition. Honda and the likes had shown the general public that a bike did not necessarily need to leak oil from day 1, or an engine rebuild at 25.000 km. Don’t misunderstand me, I did love my Triumphs and my Matchless but from the seventies onwards they were no match for the Japanese. However, from 1993 onwards I have owned 6 Hinckley Thriumphs, all but one triples, and they were absolutely great in all respects. Edited November 25, 2018 by damascase 4 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 25, 2018 Share Posted November 25, 2018 6 hours ago, thaiguzzi said: Look at those Ducati prices! I coulda shoulda bought one, i especially liked the Darmah - first Ducati with Japanese switchgear - big news back then. My 79 T140E was 1399 GBP. A Z1000 was 1499 to put it all in perspective. Those 400 DT's were just pure sex. I never rode one, but i would imagine a Yamaha 400cc 2 stroke single would have serious torque and fantastic throttle response Yeah I know I had to do a double take at those prices when I seen 'em , though must confess didn't do Ducati's back then but then we never used to see that many in the stick's where I hail from .. The Benny' Sei that I wanted so bad mid'ish 70's was I think about 1380 squids + .. I didn't bother asking again .. Yes those DT 400's were quite capable off road apart from a tank size that didn't match its fuel consumption .. I looked at a locally restored one in yellow with black n' white decals a couple of yrs ago for where my place back out in the sticks is in UK ( On going 'elf issues mean fairly reg' hspl visits an' London's too mental and expensive now and you can never take all the country outta the boy so I bought a place I out in the sticks again to flit to when I'm not Thai ) but the selling guy was upfront about the way it drank gas " 35 ave' go off road don't expect better than 30 " , factor in the tank capacity of a smidge over 2 gall's and .. Nice job he did of it though .. 2 Link to comment Share on other sites More sharing options...
KhaoYai Posted November 25, 2018 Share Posted November 25, 2018 (edited) On 11/24/2018 at 10:57 AM, Justgrazing said: C'mon then Guy's here's an idea .. In 20 words or less best bike you've ever ridden .. 20 words or less the bike you wish you'd had but never did ( get one ) .. Not easy as I've has so many. We can all look back nostalgicly......... FS1E, Bantam, RD200, YR5, H1, GPZ900R.......the list goes on but basically, although they were the best available in their era, they were pretty god-damned unreliable - especially the 2 strokes. I don't think I ever got to 10,000 miles on any 2 stroke I ever owned without at least a rebore. 10,000 miles!!! Today's offereings are barely run in at that mileage. Just a comment on the GPZ900R. I'd had a break from road bikes for a few years whilst I satisfied my trail riding urges. The GPZ was my first bike after I decided I'd broken enough bones during my off road forays. That bike scared the living daylights out of me in two ways; 1. The phenomenal speed (1986 remember!) 2. For some unbelievable reason, Kawasaki fitted their 155mph flagship with moped brakes!!! Best I've ridden: ZX9R, 10 countries, 10 days, brilliant and never lifted a spanner. Best combination between a sports bike/tourer ever. One I wished I'd owned: Ductai 916. I wanted one but didn't want the maintenance that goes with them. Edited November 25, 2018 by KhaoYai 1 1 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 25, 2018 Share Posted November 25, 2018 Rarely can you buy a race bike straight outta the box and go and win races with it .. Ona TZ750 you could ( so long as you had the dough to buy one ) TT , Endurance , World Championships even dirt tracking .. You name it these were pretty good at it and some blokes even put them on the road .! Johnny Cecotto ( remember him ) trying to tame one early 70's .. 2 Link to comment Share on other sites More sharing options...
thaiguzzi Posted November 25, 2018 Share Posted November 25, 2018 My current two stroke torque monsters; the legendary ty250 (Yamaha of course)... Note my spare flywheels; fully lightened (no band), modified - half band weight removed, stock - full width flywheel weight. 1 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 25, 2018 Share Posted November 25, 2018 (edited) 2 hours ago, KhaoYai said: Just a comment on the GPZ900R. I'd had a break from road bikes for a few years whilst I satisfied my trail riding urges. The GPZ was my first bike after I decided I'd broken enough bones during my off road forays. That bike scared the living daylights out of me in two ways; 1. The phenomenal speed (1986 remember!) 2. For some unbelievable reason, Kawasaki fitted their 155mph flagship with moped brakes!!! Yes mate know where you is coming from about how blisteringly fast bikes became by that time .. I had a GPZ1000 ( badged as fastest bike in the world for a short time from what I recall of the time ) out in Spain late 80's .. Normally not a bike I would go for but not nicked ( that part of Spain was a fave destination then for nicked cars 'n bikes es'pesh from Britland ) choice was limited , it weren't 'spensive , had been looked after and the region I was living ( down near Torremelenos ) had some good fast roads back inland it could be used on not to mention the main coast road to Gibraltar labelled at the time one of the most dangerous stretches of road in Spain a real rollercoaster of a carretera .. In the villages just back inland it was sh*t .. Sh*t amount of steering lock , its sheer size and down there in summer time it regularly used to get in the high 30's sometimes 40c and with the all the bodywork the cooling fan was always cutting in to cool it down abit .. Get it out on some the roads behind Malaga heading back inland and it could be used a bit .. And blisteringly fast as you say where its weight came into play as it was rock solid at 150 + .. I never found the brakes too shabby but the one I bought had new anchors on it at the time as it had been looked after and was one of the mitigating reasons for buying it .. Had it for about 18 mths and t'was reliable but not that good on gas then sold it on before bailing back to Hengland .. Edited November 25, 2018 by Justgrazing Sp 2 Link to comment Share on other sites More sharing options...
Popular Post Damrongsak Posted November 25, 2018 Popular Post Share Posted November 25, 2018 Duffers riding vintage trials bikes. I wish they had done a better job of focusing one each make long enough to figure out what it was. 2 1 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 25, 2018 Share Posted November 25, 2018 On 11/24/2018 at 2:29 AM, thaiguzzi said: forgot about the 500 twin. It was still being made when i was getting into bikes as a GT500. Again, more of a tourer than a sportsbike. Not any faster than a GT250 (ie would just about do a ton), slower than the GT380 triple, but oh, the torque. Made more torque than any Japanese 500cc 4 stroke. There you go mate .. '68 grandpappa 500 Cobra and a 10 yrs on GT500 .. That must've been about the death of 'em 78 no ? .. I always thought these were in the shadow of the triples a bit never quite as glitzy as the 3's .. Only ever knew one dude with one and he used it more as a commuter .. The one thing that struck me was its was slow revving and never fussed you could hook up a higher gear at 3/3500 and it would pull it no problem .. And the exhaust note you never heard one scream like the 3's .. And a cafe'd up version .. 1 1 Link to comment Share on other sites More sharing options...
Damrongsak Posted November 25, 2018 Share Posted November 25, 2018 When I worked at the Suzuki shop, one of the new hires bought a GT500 at the employee discount. Another got the 750 triple. Yet another bought a 400cc motocrosser - the one that was insanely peaky with very little flywheel. Only guy I knew who could go flat out on something like that, he was crazy. One time in a race, he figured he wouldn't make a corner, so he just bailed off the back of the bike and ran alongside at about 30 miles per hour for a few steps. He previously wore out a couple Husky 250s. Adrenaline junky. 2 Link to comment Share on other sites More sharing options...
Neilly Posted November 26, 2018 Share Posted November 26, 2018 6 hours ago, Justgrazing said: That must've been about the death of 'em 78 no ? .. I always thought these were in the shadow of the triples a bit never quite as glitzy as the 3's .. Only ever knew one dude with one and he used it more as a commuter .. The one thing that struck me was its was slow revving and never fussed you could hook up a higher gear at 3/3500 and it would pull it no problem .. Two of our crew moved up to GT500's after their GT250's, and yeah you're right they weren't that quick, and didn't handle that well either. The Cobra you mention was renamed the Titan later on and the bike was known at the T500 until about 75, then the GT500 came along...The T500 was slightly quicker than the GT500. T500... 2 Link to comment Share on other sites More sharing options...
DILLIGAD Posted November 26, 2018 Share Posted November 26, 2018 My mate had a T500 and I always thought it was a boring looking bike. He left it in a garage in ‘Salf London’ & it’s probably still there.Sent from my iPhone using Tapatalk 1 Link to comment Share on other sites More sharing options...
kickstart Posted November 26, 2018 Share Posted November 26, 2018 9 hours ago, Damrongsak said: Duffers riding vintage trials bikes. I wish they had done a better job of focusing one each make long enough to figure out what it was. That looks like a Triumph Tiger Cub 200cc, they were one other, the BSA I think was a 250cc C15T, a C15 engine, with lower c/r and softer cams, the T was the trials gearbox, built by the factory, The oddball, to me, was the Moto Morini 150cc, never seen one, must have been built for the home market. a lot of Spanish strokers Bultaco, Ossa, Montesa, plus Aprilia, SWM .and Yamaha. One for Guzzi, writing about the C15T gearbox, Rod Quaife's gearbox comes to my mind, fitted to racing Triumphs and Nortons, some were fitted to road going Bonneville's, good for the open road .but a pig in town, slipping the clutch the whole time. 2 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 26, 2018 Share Posted November 26, 2018 More sauceness to sell sickles .. 1 Link to comment Share on other sites More sharing options...
Popular Post Justgrazing Posted November 26, 2018 Popular Post Share Posted November 26, 2018 There you go Guzz' .. Advert for Guzzi's ( don't know if the SP was a good 'un or not , gotta rely on you're knowledge of 'em for that ) .. That BSA brochure is a piece of Art .. And a good 'ole days advert for L L's .. 4 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 26, 2018 Share Posted November 26, 2018 The dark side of Yamaha .. One of their V10 F1 engines .. Not longstroke .. 1 Link to comment Share on other sites More sharing options...
KhaoYai Posted November 26, 2018 Share Posted November 26, 2018 Suzuki GT500???.....jeez, I'd forgotten I had one of them. 1 1 Link to comment Share on other sites More sharing options...
Damrongsak Posted November 26, 2018 Share Posted November 26, 2018 One time at the Suzuki shop, an old fellow brought in a GT380, I believe it was. Running as bit rough. I discovered that the mufflers were filled with an oil/water sludge. There must have been a pint in each one! I figured the old guy just putted around and never got it warm. And the oil injection may have been running rich. Who knows, maybe he was using premix and the oil injection. 1 1 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 26, 2018 Share Posted November 26, 2018 1 hour ago, KhaoYai said: Suzuki GT500???.....jeez, I'd forgotten I had one of them. Whadya think of it then mate .. Like Guzz' said earlier they always came across as quite a torquey engine and also quite a big bike from what I can remember of them .. 1 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 26, 2018 Share Posted November 26, 2018 Not porn .. The truly bloody awful XS500 .. What were Yamaha thinking .. Link to comment Share on other sites More sharing options...
mogandave Posted November 26, 2018 Share Posted November 26, 2018 One time at the Suzuki shop, an old fellow brought in a GT380, I believe it was. Running as bit rough. I discovered that the mufflers were filled with an oil/water sludge. There must have been a pint in each one! I figured the old guy just putted around and never got it warm. And the oil injection may have been running rich. Who knows, maybe he was using premix and the oil injection.I bought a Yamaha 175 twin in the early 70s, didn’t run worth a crap. Pulled it apart and did a ring-job. Still ran like crap. My dad looked at the exhaust and told me to pull the baffles.They were packed. Ran like a raped ape without them.... 1 Link to comment Share on other sites More sharing options...
Damrongsak Posted November 26, 2018 Share Posted November 26, 2018 12 hours ago, Neilly said: ... the bike was known at the T500 until about 75, then the GT500 came along... Must have been the T500 I was thinking about, as it was about 1973/74. It was at the time of the oil embargo in the US. 1 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 26, 2018 Share Posted November 26, 2018 On 11/25/2018 at 1:22 PM, thaiguzzi said: Note my spare flywheels; fully lightened (no band), modified - half band weight removed, stock - full width flywheel weight. Engine components in the house mark of the true biker that Guzz' .. And the near finished bottle in the background .. TY looks a ripper .. Haven't they been in production since early 70's that range ? do they still make 'em .? 1 Link to comment Share on other sites More sharing options...
ballpoint Posted November 27, 2018 Share Posted November 27, 2018 14 hours ago, Justgrazing said: Not porn .. The truly bloody awful XS500 .. What were Yamaha thinking .. I'm sure someone would still shag her. 1 Link to comment Share on other sites More sharing options...
Popular Post Justgrazing Posted November 27, 2018 Popular Post Share Posted November 27, 2018 (edited) Daytona winning Ducati " Old Blue " BSA 250 OHC with funky front end .. Edited November 27, 2018 by Justgrazing Sp 3 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 27, 2018 Share Posted November 27, 2018 Lovely little Parilla's and a road going Bultaco .. 2 Link to comment Share on other sites More sharing options...
canthai55 Posted November 27, 2018 Share Posted November 27, 2018 (edited) Bike Specs Chassis – 2001 KoenigLow Boy Wheelbase – 77 inches Weight w/ Rider – 625pounds – dry 470 pounds Engine – 2003 liquid-cooledKawaski ZX-12R Turbo Power: 500+ HP @ 27 lbs.boost Turbo:Turbonetics ceramic ball bearing Boost Control: Muzzy stagedpneumatic control Fuel Injection: EFI TechnologiesControl Unit, 53mm throttle Bodies Cylinder Head – Muzzyported ZX-12 Bore and Stroke – 84mmX 55.4 Crank – Stock ZX-12 Cylinder Muzzy Billet1224 cc Pistons/Rings – Muzzy84mm Turbo Cam – Muzzy Turbo Block – Muzzy Billet Transmission – Weisman4-speed Clutch – Stock ZX-12 withMTC Progressive Lockup Oiling: Muzzy Dry Sump Starting: On-board selfstarting Data Acquisition: EFITechnologies Wheels – RC Components Tires – Front – MickeyThompson Rear – 11 inch Goodyear Brakes – Grimeca Body – Muzzy ZX-12 Paint – Dr. Ben Edited November 27, 2018 by canthai55 2 Link to comment Share on other sites More sharing options...
Justgrazing Posted November 27, 2018 Share Posted November 27, 2018 (edited) Another lost gem of the 70's .. Moto Guzzi 350/400 GTS .. And a damned good looking bike .. Engine has a bit of Honda look but internal dimensions are diff' by all accounts to any comparable H unit .. Guzzi and Benelli were in the same stable around about that time and Benny also made a 350/4 around about same time but the G is a better looker methinks .. Nice butt' as well .. Edited November 27, 2018 by Justgrazing Sp 1 Link to comment Share on other sites More sharing options...
KhaoYai Posted November 27, 2018 Share Posted November 27, 2018 On 11/26/2018 at 1:38 PM, Justgrazing said: Whadya think of it then mate .. Like Guzz' said earlier they always came across as quite a torquey engine and also quite a big bike from what I can remember of them .. Hmmmm, its a long, long time ago but I do seem to remember it being very torquey - unusual for a 2 stroke. With that came the ability to slow right down and then wind it up again without changing gear. That's about all I remember. 1 Link to comment Share on other sites More sharing options...
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