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Installed a new msd coil, problem solved, both cyl fire. Sometimes elec parts are hard to t/s as I was getting good readings from the old one and when I say old it has been in the ski for a year- note to self- do not buy cheap aftermarket crap!

That's what I thought but I got good ohms thru it. But I also know that you can still get continuity even if all but 1 wire in the strand is broken. What I really need to test it with is a megger that is the true test of the health of a conductor. Like I said, I will buy a new oem coil and...

I think I will buy an oem coil first. Am I right by saying that if I am getting a strong spark up front that the flywheel,stator coil and cdi are good? BTW that first pic is my old eng.

I have a 1995 blaster 1 61x. Been seizing the rear cyl a few times now. Just refurbed top end, pressure checked, new sbn 46 and went out to ride. Sounded rough and different, went to get on it and bogged, came in looked at the plugs and rear plug looked like I just took it out of the box. Even...

I thought the same thing after reading the sticky- carb database-. I just ordered a 160 and 150. I'll start w/ 160 and see how she runs and what hi needle setting I need. If I can't over lean it w/ a closed needle I will drop to the 150 and look for my best rpm w/ 1- 1 1/2 needle out

95 b1 701 fact pipe bottom open 3/4, mid closed, top open 1/2. I just rebuilt top and bottom but kept old crank and just ported ported raised exh 2.5mm and widened to 70% diameter , 1mm over, 180 static comp.hot. I add octane booster or run 1/2 avgas to 93 pump. Sea level, stock timing...

95 b1 701 fact pipe bottom open 3/4, mid closed, top open 1/2. I just rebuilt top and bottom but kept old crank and just ported ported raised exh 2.5mm and widened to 70% diameter , 1mm over, 180 static comp.hot. I add octane booster or run 1/2 avgas to 93 pump. Sea level, stock timing...

95 b1 701 fact pipe bottom open 3/4, mid closed, top open 1/2. I just rebuilt top and bottom but kept old crank and just ported ported raised exh 2.5mm and widened to 70% diameter , 1mm over, 180 static comp.hot. I add octane booster or run 1/2 avgas to 93 pump. Sea level, stock timing...

Blaster 1. Can't go wrong for wanting more speed. I lightened the flywheel and will run 180 psi so bottom end should not suffer. I have given the ski 2 heat cycles for a total run time of 20 min. I got 170 while it was hot. I bought a new quality gauge and it read 180 on both, right where I want...

I did widen the port to 70% the diameter

Just finished a complete rebuild on my 701 61 x. I ported the cyl, raised exh up 2.5 mm and widened a little. Bored 1 mm over. Triton head, do not know cc's. The motor has 0 hrs, was cold w/ throttle open and got 150 ea cyl. What cranking psi can I safely go to w/ a ported eng and run 93...

I did not need much persuasion, I'll make it right, thanks guys.

Rebuilding my 701, I installed the aft 2 crank seals in the wrong order. The seal w/ the 4 or 5 raised tangs on the outer lip is in the forward position and the smooth is in the rear. It looked like the tangs where there to keep the proper spacing between the seals. They are facing the correct...

Been out of it for a while, are there any sanctioned races in the central Florida area?

Hey #zero, I have a 701 61x flywheel on my bench that I would like lightened. I am in Tampa, could I have one in my hands by Friday the 8th. PM me or call 813 695-5597, is price still $50 plus shipping? Would it save time if you sent me one already modded, charge me extra then credit me when you...