Hutch
Serious Thumper
Offline
till death do us part
Posts: 1035
Birch Run, MI. U.S.A.
Gender:
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Vtail, everything has been checked, before and after all the mods, several times. It has never burned oil, just leaks it out the bottom of the case, about 2 drips aday, even when setting. Valves checked, you name it, it is all AOK. I have tried all different jets and it runs the best with the 152.5 or the 155 main. Pilot jets changed. Jardine pipe. K&N filter. 14% gear change and it will hit 90 mph layin on the tank with a tail wind after about 2 or more miles. I'm quite sure that most of my post from a year ago are gone, but that was the reason that I wanted to change to chaindrive. I went through the whole, try this,check that thing back then. It was all checked before I gave up and went to coming up with the chaindrive conversion. I kept telling everyone my tranny was geared different, or it was just a dog. I am not saying this to be beligerant,just to let you know that I know my way around bikes, but as I said I have had over 30 bikes and have rebuilt bike motors my self for 40 years. I have been able to eek out every mph I could out of a bike, but not this one. I had the same problems with a couple of cars in the past. Identicle cars and motors. Identicle drive trains for gearing, one would run great, the other one wouldn't. I used to race cars at the drag strip for years and built my own motors from the bottom up. Every once in awhile you just can't get a car(or bike) to run like it should. They call them lemons. If the S-40 was my only bike, I would sell it. Fortunately I will sell all my other bikes, and STILL keep the S-40 for back roads, and the W650 for all other rides. I'm not saying the S-40 in general is a bad bike. Mine just isn't up to par with most other ones. It still accelerates like crazy(beating Harleys to 60mph) but still runs out of any good acceleration at about 75-80mph., and is done at 90mph laying on the tank. I just can't figure out why, so I live with it and ride it within it's limits. I still love the bike. Hutch
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