Recent content by johnsodm

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  1. J

    Needle valve seats

    Yes, my fuel pump goes crazy if it sits for a few days. No leakage out of the rubber tubes. Never noticed any leakage anywhere else or smelled gas. Why would my fuel pump run so long when I turn the key on after a few days sitting?
  2. J

    Needle valve seats

    Thanks again. Yes, I forgot about the tank being below the carbs, good call. I think I may just leave them alone and just install new needles as suggested, as they are slightly grooved. Appreciate the tips!
  3. J

    Needle valve seats

    Thanks, I only think the seats may be bad because after it sits a week, it a cylinder seems to lock somewhat when starting, then has a strong fuel smell in exhaust when it starts, like fuel leaked into the cylinder and possibly even the oil. 2005, 50 thousand miles, thought I would replace them...
  4. J

    Needle valve seats

    Hi, I was wondering how to get the needle seats out of the carburetor to install new ones. I see the plug and don't know how to remove it or put it back, or if I have to remove the plug at all. My book just says push on the seat and the seat and plug will push out. Seems a bit lousy for...
  5. J

    YZF600R Carb problem? Help

    Could be a cylinder isn't firing until it reaches these rpms due to a weak coil. Try looking at plugs, then widen the plug gap a bit to force the coil to build up a greater charge, which will produce a better spark. Is it carbureted? If so, check the slide diaphrams very closely for a leak that...
  6. J

    Hmf

    I have a kerker 4-1 Exhaust on a stock bike, stock airbox, stock filter. Joe Raulf at Boxenstopp told me to go to 165 mains. Everyone else said either Mikuni 155 or 157.5. I asked Joe if he was talking about Dynojet or mikuni, he said mikuni 165. So I went home to look at my plugs. With shimmed...
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