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| Suzuki TR500 crank http://www.kawi2strokes.com/forum/viewtopic.php?f=21&t=4412 |
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| Author: | Gerrit [ Sat Sep 15, 2012 3:31 am ] |
| Post subject: | Suzuki TR500 crank |
I found an article on the net about tuning a T500, which included photos of a modified crankcase and crankshaft with stuffers. The flywheels were reduced in diameter and aluminium rings were made to take up the excess space. No mention was made of the exact diameter reduction but judging by the photos I estimate the stuffers as 4-5 mm thick, which would mean a reduction in flywheel diameter of 8-10 mm. Just out of curiosity, does anybody know the exact figure? Elsewhere I found a remark that the flywheels were reduced to the diameter of the GT750's but that is no help as I don't know the GT750 diameter either! |
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| Author: | Neville Lush [ Thu Sep 20, 2012 8:50 pm ] |
| Post subject: | Re: Suzuki TR500 crank |
Take off as much as you dare, thickness as well. They weigh a ton. I do not have a crank here to measure sorry, but at least 5mm off thickness. Take off the inside of the flywheels down to the level of the big end thrust face. If you spend a coupleof weeks of time and heaps of $ it will go nearly as well as an H1 
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| Author: | Ja-Moo [ Thu Sep 20, 2012 10:47 pm ] |
| Post subject: | Re: Suzuki TR500 crank |
I didn't want to say anything, but I read the article when it came out. After machinning the crank, adding stuffers, porting and chambers to match the porting, and maybe carbs, it was as fast as a stock Kawi 500..........  I had to laugh, being a kawi guy and all......
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| Author: | RODH2 [ Fri Sep 21, 2012 1:40 am ] |
| Post subject: | Re: Suzuki TR500 crank |
Yes, unfortunately, you guys are right........! 
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| Author: | husson73 [ Fri Sep 21, 2012 2:48 am ] |
| Post subject: | Re: Suzuki TR500 crank |
round crankshaft on H2 is better 
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| Author: | Ja-Moo [ Fri Sep 21, 2012 1:13 pm ] |
| Post subject: | Re: Suzuki TR500 crank |
husson73 wrote: round crankshaft on H2 is better Not from 2 experts that did it that I know of.......
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| Author: | Gerrit [ Sat Sep 22, 2012 8:00 am ] |
| Post subject: | Re: Suzuki TR500 crank |
Kevin Cameron wrote in his article on H2-R development (May or June 1974 issue of "Cycle") that the factory had tried full-circle cranks during H2-R development but that the results were negative, so the stock crank flywheels were retained. |
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| Author: | Ja-Moo [ Sat Sep 22, 2012 11:33 am ] |
| Post subject: | Re: Suzuki TR500 crank |
Make that 3 experts........ 
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| Author: | husson73 [ Sat Sep 22, 2012 1:40 pm ] |
| Post subject: | Re: Suzuki TR500 crank |
I don't care cause I have riden one, amazing and the guys who won clzassic race on side car last year with a H2 tuned engine had one too and was very please of it
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| Author: | starfire [ Sun Sep 23, 2012 12:43 am ] |
| Post subject: | Re: Suzuki TR500 crank |
T500s, in my experience, do not respond kindly to many engine mods. They are a lazy long lasting torquey engine, designed for long distances at sensible rpms, reliable and trustworthy....everything the Kawasakis are not!! Yes, the cranks are heavy, this makes for a smoother engine. The long wheelbase makes for a nice safe and comfortable ride. A Ktriple would never do the miles a Titan will.    JP will prove me wrong on this maybe. Ive done 100000 and more miles on T500s in my life time... half way to the moon nearly, the best bike ever made, and one of the best 2 stroke engines ever made... a WW2 design from Czechoslovakia I believe.
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