Archived posting to the Leica Users Group, 2003/12/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]John While the cat is away, the mice will play! BTW, beveling the ports will change the timing. Jerry Jerry John Collier wrote: > As you all know I am building up a 125 engine using an ETS cylinder, > piston, head and a 100 sport engine as a base. I have had my local 2 > stroke shop bore the cylinder. They did a great job and beveled the > ports nicely too. I also had them deck the head and cylinder and o-ring > the cylinder. This is a narrow groove into which you insert stainless > wire; simple, cheap and it works. I also have rounded up some > inexpensive nos vmb cases (dunno why but they were half price), a four > speed conversion kit and a primavera primary gear set. Still to go is > polishing and match porting the cases, cylinder, piston and manifolds. > I am also going to try and source a PK multi spring clutch for no > particular reason I can think off. > > So far so good and PLEASE nobody ask how much this has all cost! > Remember I got the bike for free :-) > > Now I have a stock crank and a 100 sport flywheel and I would like to > go to a lighter flywheel. This leaves me with two options. First, > lighten the 100 sport flywheel and stay with the stock crank. Is it > easy to do or is it also easy for an inexperienced person to machine > the magnets off? Second, get a XL crank large taper crank and a HP > flywheel; more money but stronger. Can I keep the 12v battery set up > with an HP flywheel? Someone told me I couldn't and someone told me I > could. Dunno who is right. > > I would greatly appreciate direction here. While money is not too much > of a concern, if the stock set up is fine then I might as well go that > way. > > Finally I see that you can get a shorter fourth gear kit. I assume this > tightens up the jump from third to fourth and allows you to get a > higher top speed by taking advantage of higher revs. Is this a good > idea or is it more for a hopped up, narrow power band engine. > > Just plain ignorant in Edmonton, > > John > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html