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I installed Dyna S electronic ignition and Dyna coils 6 or 8 months ago and its been great, but recently it started blowing the main15 amp fuse, It doesn't blowing it right away after replacing it, usually after riding it 30 mins or so.... I can turn the key on and touch the fuse and feel it...

So today I decided to take the old '75 for a little ride today, it's a little cool today...45 degrees... but I was tired of looking at the bike sitting in the garage. Rode about 35 miles, decided to open her up to see if she would still break 100 mph, got up to about 102 mph on the speedo but I...

OK...this may seem like a rookie question but is there supposed to be an O-ring on the air mxture screws on my '75 CB750...I've had the carbs off and apart several times but looking at the screw last nite I realized it looks like an O-ring should go around, it kinda makes sense that there would...

Alrighty...so I'm ready to upgrade my '75 to electronic ignition and I think I want the Pamco Ultimate kit. Does anyone have any feedback on this unit or anything equivalent?? Also where should I buy the unit...of course my first choice is cb750supply.com but they are out of stock..maybe I'll...

So I have '75 with pod filters and mid length 4 into 2 pipes, I put in 120 main jets and it does good on top end although I am going to try some 125's just to see if it gets any better...my main question is do I need to change my slow speed jets as well, they are the stock 40's. It bogs a...

OK...so I've been working on my '75 and I thought I had it running great. I take it out today because its a beautiful 70 degrees and sunny here in south Texas today and I get it up to about 65-70 mph and it just acts like its starving for fuel...no power,kinda sputtery but if I reach down and...

Ok..my '75 has charging issues, battery won't stay charged,headlight dim, blinkers won't blink etc.... So I pull the voltage regulator off my '72 and try it but no improvement...then I go to pull off the rectifier and notice they are different. The rectifier on '75 seems to be stock like it...