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Is it normal on these lil shits for it to wind out so quickly?! I have to run 5th gear at 25mph or it is just winding so high it seems it'll come apart. I need 6th gear for 35 or over and at 60mph it sounds and feels wound out at crazy high rpm!! I normally take off in 2nd because 1st winds out...

Located in West Cleveland OH. EVERYTHING is brand new, but the motor. NEW: Tires, all wiring, and cables, battery, lighting. All electronics, battery and ignition located in a mock oil tank under the seat. Black powder coated frame and drag bars, satin black professionally painted tins. Carbs...

I changed the oil and filter in my bike yesterday. It held 2 qts 4ozs and reading over fill! Is that right?!! My KZ held 3 3/4qts w/ a new filter.

So what's all the 81 owners running for valve clearance?! I can't seem to find consistent numbers.

I adjusted my valves yesterday and cleaned my carbs. I put everything back together w/ new fuel lines and fired it up. Runs a lil rough but no longer has the slow throttle down on deceleration. New problem is that upon decelerating I'm getting backfiring and flames out of both pipes. I know...

The carbs on my 81 were built by a custom shop a year ago, before I owned the bike. I tore down the carbs for a good cleaning yesterday and while putting them together today I noticed that the main jets in each carb are 137.5's. aren't these carbs supposed to have different sized main jets?! And...

Hey guys, names Bizzy and Im from Cleveland. Just sold my 82KZ440 Bobber build and picked up this lil 81 xs400 bobber. It looks good, though I plan on some changes, but it has mechanical issues. I thought this would be a good place to find some tips, advice, share and exchange some knowledge and...