big bore

The RE 650 has been getting pretty positive reviews, even if the performance numbers are not much better than an XS. But the aftermarket has responded pretty quickly to the RE. S&S are now offering hi-comp pistons, big bore kits, Power Commanders, exhausts and camshafts for the RE. That is...

My custom chopper, 2+ years in the making. Started full stock all-original, barn find. The only thing 100% original left is the clutch lever. :-) 19" total stretch with hard-tail, gooseneck and 45-degree rake custom springer.

hey, Was wondering if anyone has got or tried a Heiden tuning 880cc big bore kit? I'm thinking of doing something a little different than the usual 750cc big bore. the 880cc sounds mean on youtube vids :thumbsup:

Hey guys, so ran into a problem tonight installing my new big bore cylinder into my engine. Previous to installing the pistons I dry fit my heiden tuning big bore cylinders onto my bottom end to confirm it fit nice and flat with no binding anywhere, all was good. Installed the base gasket, the...

I got the bike out with the newer cvk's re-jetted with the 40/140/JJJ synced and running really well, did some calculations with the help of a roadside radar detector (my tach and speedo skip like crazy) and found my torque peak to be right at 4,500 rpms. That's where the engine runs out of...

Hey all, I'm at the point in my build where I need to make up my mind on what to order. I can't decide if I want to go with the 700cc piston kit from Hoos Racing or the XS performance 750cc kit. I have also been thinking about the 750 kit Hoos offers. I have fully disassembled the engine...

I know this has been covered quite a bit, but I was wondering the supporting mods needed to simply make it run smoothly. I have an opportunity to pick up the sleeves, pistons, etc for really cheap but not a lot left over for other things such as a cam and carbs, Bike is a '79, with mild...

Ok folks, I have been doing these for BikerMetric, but I know you would like to have them organized in one place... So here ya go... 1st article is about rebuilding your crank, and all that entails.. http://www.bikermetric.com/2011/11/techtips-re-phasing-your-xs650-by-hugh.html 2nd...