engine

How do you determin the cc's after boring an engine? I bored 2nd. oversize.

Morning guys, I picked up my first XS650 a few weeks back. Its had lots of work done to it already (set up as a flat tracker, some really good stuff), but it was never really run in after the guy built it, so I'm having to work out a few little bugs. One of which is a little oil leaking...

Hi, Is there a way to safely remove the ring of carbon at the top of the cylinders? (inside the sleeves) The engine is out. Thx

Hi you all... Just wanted to post an update on my build. I got a new engine october last year and ive spend the last couple of weeks, un wirering the old harness from my xs650 prepping it for my new engine a Heiden Tuning build. Its a 277 rephased, 750cc Bigbore wiseco pistons and Powerdynamo...

We've all been there. Cam chain service. Valves. Obligatory top end work.... But everyone has their own idea of engine stand. Google results are plentiful!! There're even one's that spin!...that take up.....quite...... a bit of bench space........But how many times do I need to get at the...

Any help would be appreciated, I got a 1975 (447-121558) barn find, I'm doing a complete rebuild of the engine,bottom end done. Now I'm in the process of putting the top end together, Here's where i go down the rabbit hole, the cam that was in the engine when i tore it down was shot, so i had...

Hey everyone, I am finding my self ordering yet another cam chain guide.. What are you guys doing to keep that stupid peice of plastic on the mount ? Thanks in advance

This (81 special) has been my daily rider for about 4 years now. Never had any issues with reliability, or smoke coming from the exhaust before. Only reason I did the rebuild was the plastic pieces from the front cam chain guide getting into the bottom of the engine. Had to replace that, so I...

So ive decided to build a bobber. I've bought an engine off a guy who assures me it came from a running bike. I am a complete newby when it comes to custom motorbikes, but i figured the best way to learn is roll up your sleeves and dig in. I want to test the engine ive got and see if i can get...

Ill start from the beginning. I bought this bike as a stock 1980 xs 650 special and i was 19 years old. i originally went with the brat set up from visual impact because i planned on this being my daily rider and my old man thought a hard tail would be to much as a daily rider. I installed a pma...

I recently purchased a 1999 Vstar that I was told needed a carb rebuild to get it running. I did the rebuild and gas squirto out of the top jets into the air breather. I have gotten it running but it has a scary knock in the top end of the rear cylinder . It is a steady constant knock that...

My stock 650B is blowing a substantial amount of white smoke and some oil from the crankcase vent when the temps come up . Im getting 140 & 148 compression readings (cold) and running the oil level between the add and full marks. Everything I'm reading is pointing to blow-by but I don't...

Hi I am new to riding and I just purchased an 82 xs650 special. It seems when I am shifting from 3rd to 4th every once and a while it seems to go back to a lower gear from where I shifted from. Or into neutral. Does this indicate a clutch cable problem or is my transmission bad? If there is a...

Afternoon (in London!), chaps! am just about to get my barrels back from rebore and hone and new pistons...and while the jugs are off the motor, i was thinking about painting them black... they're reasonably clean already but will give them a jolly old scrub in the nooks and crannies with a...

I had to pull the engine from my stock early 78E for extensive repairs. I had a spare engine from a stock 75B and installed it. I am still using the 78 carbs and exhaust on the 75 engine. It seems to be running fine but I realize these are two different engines,(valve settings; compression...

Finally getting on with my 'C' that came from Daytona Beach, many years ago, been stood for years, both in the USA and then here in rainy England! Had no compression so I stripped the top end, found a seized exhaust valve. After beating the valve into submission, it came out: this revealed a...

Hi everyone, My name is Tani and I'm rather new to bike land. I have myself a '78 XS650 that was cafe'd out 2 owners ago and after MUCH time and messing around I have gotten to a point where she is running pretty strong but I'm having richness and carbon build up problems. While with me 3...

hey all when i cut my frame up for the hardtail i only want to use the motor mounts that are necessary... i know that many people say that the 5 or so points arent all necessary and would like to minimalize them. thanks

half way through my build i started my bike up with a custom wiring harness, straight pipes, uni filters and a pma/pamco swap. I have since changed over to the vm 34's with 175 main jets and 15 on the pilots. i have 2 sizes up and 2 sizes down on the mains and a size up and down on the pilots. I...

Just wondering if anyone has used a K&L cam chain and if they are any good. The price is sure right.