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Hi all, i've been checking out this forum for quite some time now and while being a rider (scooters/mopeds) for the past 8 years i decided to upgrade to motorcycles at some point a few years ago. Loved it and decided to pick up a project bike to learn and restore. Yeah, i know people say its not...

Hi all, Im having an issue figuring out what the standard jetting is on 81 GS550T. Clymer manual that i have on hand does not have a list of jets used, and i can't seem to find the list in the OEM manual either (looking at pdf file). The bike appears to be stock and im not changing anything...

I've been working on this 75 KZ400 for quite some time and finally getting close to the finish line. This is my first project and i've pretty much gone through the whole bike. Engine has been rebuilt: 0.5mm rebore, new gaskets, pistons, rings, cam chain, cam chain tensioner, seals, valves, valve...

I've got a DCC all-in-one speedo gauge with all instrument lights, hooked it up to test all the lights, etc and it's great. Now, im about to chop the old cluster wires, there's a 9p connector, so i opened all the wire tubing and noticed that there's a lot of in-line diodes. Should i keep those...

Hi all, while im putting my bike back together i have noticed that my center stand hits the chain while its folded. By a lot. I cant figure out if i missed some part or there's no proper center stand stop in place. It's also hard to tell if there's a stop by just looking at the parts diagram...

Hi all, Im looking to upgrade the brake lines on kz400, but i'm wondering whats the difference between 2 different brands: Galfer vs Goodridge. Galfer has the brake lines and fittings marked as K7, and Goodridge has 10MM spec. What does K7 mean? Are there any differences?

I've been on the hunt for the 75 kz400d front caliper. Is it possible to swap with newer models? There's not that many available parts for 75's and i managed to misplace a few critical components so need a replacement (piston/mounting bracket/etc). Thanks!

Hi all, Backstory: I've been slowly rebuilding my 75 KZ400D engine. Main reason why i got into the bottom end is to replace the broken cam chain tensioner. I haven't figured out how to remove the tensioner without removing the whole balancer at the time, so i got all the parts out of my way...

I pulled the front caliper on my 75KZ400 apart to cleanup, it was nasty. The trouble is i cant find a rebuild kit for that particular model. Only need 2 rubber seals (piston, dust)...

Hi all, Im working on a 75 KZ400 engine and cant figure out whats the original part number for the head cover gasket. Here on the parts list #29 (http://www.partzilla.com/parts/search/Kawasaki/Motorcycle/1975/KZ400-D/CYLINDER+HEAD-COVERS+%28%2774+-%2775+KZ400-KZ4/parts.html) it shows silicone...

Hi all, Any suggestion on how to remove the cylinder block off the engine (KZ400)? I've tried pretty much everything i could: banged on with a rubber mallet, heated, scraped some of the gasket with a small blade, shaked it vigorously, pried from the side. No luck. Pistons are not stuck at all...

Im working on 1974 KZ400S and have a few questions. Engine had low compression (~115psi on both) and there's also a head leak from the left side. So i opened the engine up to check the wear and it looks like one of the bores has a few scratches. You can feel it on the surface. Other bore does...