Recent content by yiorgos

Thank I will

Hi Does anyone used a lithium battery on a powerdynamo system or on a PMA? A guy told me I can't use them because lithium batteries cannot accept overcharge. (Yamaha XS650 1979 bobber) Thanks Yiorgos

Does anyone have any experience with those mufflers: https://www.heidentuning.com/images/stories/virtuemart/product/2565.jpg Description ID 45 mm, ~395mm long, w/o end cap Adjustable Dyno tuned baffel. All mechanical design (No glass pack). End cone fastened with 3 screws. Classic design, nice...

Hi all I have a xs650 79'. She's a bobber. I have pipes with baffles inside. Recently I remove the baffles and she gave me some extra torque and power which I really liked. Of course when I hit 70 miles was choking (meaning some rejet must be done - cars bs38). I want tokeep that extra power...

Ok here's what i did Motorcycle parts here are hard to find especially for old engines. So I found a 16T front sprocket new -old stock for €5 and put it on. Took it for a ride. Fast with lots of torque but on high speed (above 70mph) something didn't feel right. So i removed the velocity stacks...

grizld1 pipes are 1.5'' OD but they have mufflers at the end which leave maybe less than an inch opening

5twins that High gearing make sense cause it takes 70MPH fast enought but from there to 83mph it's another story. Never thought that a tteth down will make such a difference though. As for the jets i'll check them. So you say that maybe i'll have to go 137.5 or 140 for the mains and maybe 30 for...

Hi all I own a XS650 79' for a couple of years now. It's a hardtail and my top speed is 83MPH with a lot of vibrations especially at top speeds. I know it's a small engine but i also read for XS650 going at 100mph and even more. It has an alternator system from heiden tuning - still running...