Recent content by joem4790

I've got a 79 CB750 that's mostly stock except for GSXR carbs, 4 into 1 header, and cbr600 coils. I started having issues with no fire on cylinder 4 after a few rides. The bike ran great for a while but the misfire issue slowly got worse. Spark is good, I'm getting fuel but compression on...

Is anybody good at identifying old Mikuni carbs? I found a decent deal on Facebook for these but I'd like to have an idea of what they came off of before picking them up.

So is it alright to seal up the hole for the front cam chain tensioner?

Thanks man! I wire brushed some of the paint off for a better look. It makes no sense to me what happened here. I'll have to give that Devcon a try. Hopefully that'll keep me from having to pull the engine again. If all else fails it looks like I can pick up a used jug on eBay.

Now that you say that it kind of does look like a weld. I'm assuming that line isn't normally there? It's not on the opposite side. I've pressed on it with a screwdriver and it seems solid. I replaced the o ring on the tensioner bolt too so I don't think it's that. You can see the oil start...

And my picture posted crooked... I'll see if I can get some better ones this evening.

I recently got my bike (79 CB750) back together and noticed an oil leak coming from cylinder jug. I knew it had a leak before the rebuild but I assumed one of the o-rings that fit around the studs was worn or not sitting correctly. Upon further inspection it looks like the leak is coming...

I've been using the site for a while now to get my bike going and I figured it was time to join. I bought this 79 CB750 about 3 years ago for $200. It wasn't running when I picked it up. I rebuilt the carbs, fixed some wiring and it fired right up. It's still a work in progress but here a little...