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    Front end lock install?

    Has anyone swapped out the steering head lock? Mine '74 lock has been removed and I want to install a new one. But, do you simply slip it in place and use a friction pin to keep in it? It looks simple enough, but before I drive the pin into the lock boss, I'd like to make sure that's all there...
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    Too many carbs and too little know-how!!

    I have a box full of Mikuni 38mm carb parts and don't know how to match up parts for a complete carb set. I can get everything right except for the float bowls. For instance, the "E" and "H" bowls have different ways to flow fuel through the pilot jets. How can you know which bowl works with...
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    Mike's XS Cam Chain and Guide?????????

    I've used a lot of Mike's XS stuff in the past and have always been pleased. However, when it comes to critical internal engine parts, I'd like to get your opinion on something. I need a new cam chain and front chain guide. I'm sure the chain is okay, but what about the guide. Has anyone out...
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    Floats that collaspe???

    The floats on my right 38 carb collapsed as though they were vacuum packed. What causes that? Backpressure from a leaking intake valve??
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    Starter gears question

    Are the starter gears for all years the same? I have an S650 engine, which is a '72, that has no starter or starter gears at all. Someone wanted to shave a pound or two off the gross weight so they removed everything that's used by the electric starter and plugged the starter hole. I'd like to...
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    Bummer! Too slow to idle down!!

    I can't find a thread talking about my problem, so I'll try my own. My '80 Mikuni 34 carbs are slow to idle down when I come to a stop. It takes about 5 seconds to reach idle speed. When I unscrew the throttle stop to a decent idle, it will quit in about another 5 seconds. When I set the idle to...
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    Engine oil return question

    The 4 outside head studs allow oil to return to the block. The block (at the point where the head studs screw in) has oil drain channels cast in it. However, 2 of those channels are blocked off by the cylinder centering ferrules. How can the oil get past these ferrules and back into the...
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    High beam, low beam, or both?

    I hope this isn't too stupid to ask about, but when the head light is on HIGH BEAM, are both filaments burning or just one?
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    Base gasket sealer?

    I'm doing a "top end" on my '82 XS-650 and have an aftermarket gasket set. The gaskets look like pretty good quality but I'm not sure if a sealer like "Gasgacinch" or "Yamabond" should be used on the base gasket, or not. I believe that if an OEM gasket is being used, no sealer is required (but...
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