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  1. Motorhead

    CB750K DOHC oil "sweat"

    My bike developed oil leaks and oil "sweat spots" in all sorts of places (mostly drive sprocket seal, vertical camchain tentioner rear bolts, oil pressure switch etc.), all as if there was excessive crankcase pressure. There was also such a "sweat spot" where the right vent tube connects to the...
  2. Motorhead

    Head gasket leaking - "Re-torque"?

    It's been a while since I've noticed black gooey build-up at the front of the head gasket. Since I know that there are no oil paths under pressure going through inside the head (the oil line is behind the cylinder block/head between no. 2 and 3 carbs), I assumed I was due to rich fuel and bad...
  3. Motorhead

    Left engine cover leak (the one that contains the starter clutch)

    I'm pretty desperate at this point. There's a little rubber insert to pass the pickups' wires through. This grommet forms a line with the cover's mating surface, against the engine case mating surface. (It's not the three-bolt "points" cover) So the cover's paper gasket always leaks from...
  4. Motorhead

    Moderate Front End Upgrade

    Lately, the rust spots on my fork tubes have started spreading, it looks like they're up for replacement. What I have on the bike right now a complete front end off a 1980 CBX1000A - 35mm forks, with a Telefix fork brace. A few years ago I also have installed Race-Tech springs and...
  5. Motorhead

    Upgraded clutch springs

    Hi all, hope you're all well! After a lot of miles on it, my clutch started slipping under hard acceleration and it looks like friction plates and springs replacement is due. I intend to use OEM friction plates, as I always did. Would you recommend installing stronger clutch springs, like...
  6. Motorhead

    Shortened chain - shortened wheelbase

    Hi all, hope you've been all doing well. Today I went to a shop to replace the driving chain (the only service I don't do myself). I have ordered a 108-link chain as per the manual (530, 18/46). After the job was finished, the young mechanic has proudly announced that my chain was too long and...
  7. Motorhead

    Oil leak from behind the right engine cover

    Hi there all, hope you've been well. It's since long ago that I have an oil leak from where the ignition pickups' wires pass, in the rear part of the left side cover (not the "points" cover, but the one behind it, on which pickups are mounted). There's a rubber grommet moulded on the pickups'...
  8. Motorhead

    CB750 1980 unburnt fuel

    Hey all, maybe someone had this problem before. My CB750 is running OK, but the exhaust smell is unbearable, people closing windows when I stand next to them at lights :). Makes me think it doesn't burn all the fuel, or very rich. No smoke. The bike has Dynojet stage 1 with a free flowing 4...
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