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yz400fmaniac

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About yz400fmaniac

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    Wisconsin

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  1. Get rid of the junk ass k&n and stick to foam you will notice a huge difference k&n’s choke the bike out trust me I’v been there and done that. And keep the side cover on and drill 1, 1.5” hole next to the snorkel hole. And it will run better than it ever has.
  2. yz400fmaniac

    1990 DR350 - Hard to start, runs for 1 second then dies

    Well all these motors need to run is spark air and fuel, so if it bogs down, smokes black and pops no matter what you do than its not the carb. Make sure you set the valves after the intake valves shut this is the proper tdc. If you set it right and it still does this my best guess is the timing jumped.
  3. yz400fmaniac

    Clutch help

    Okay I need to know if this is normal. 2017 dr650 replacing the clutch and this doesn’t seem right. I have play im my clutch back and forth is this normal?
  4. yz400fmaniac

    Supermoto

    Looking for a set of direct bolt on supermoto wheels for my dr650, its a 2017.
  5. yz400fmaniac

    Keihin FCR41 - what bikes use them?

    My bad it was an xr frame with 84xl motor, and I don’t recall ever saying the old carbs are better..... their not, but I personally never had a problem starting my bike old bike, 2 kicks cold, 1 kick hot and usually around 25 kicks after a tip over. And what i was getting at when I asked why he wanted that carb was the fact that its an 89 xr600r, it is a great bike and will out last most bikes 10x over. But if he expects a totally different bike he should know that it will have better response but thats about it for the amount of money and work he would have to put into it the cons out-way the pros for me. And I have ridden a bike with a flat side pumper carb, and it was god awful on the trail to jumpy great response but way to peppy for the trail. Heres a pic of my old bike..... regretted selling it until i got my dr[emoji41]
  6. yz400fmaniac

    sp ?

    Nice bike!!!! Motor looks really good
  7. yz400fmaniac

    Keihin FCR41 - what bikes use them?

    If you dont mind me asking why exactly do you want that carb for that bike, I used to have an 84xr600r and that was the dual carb setup and never wanted a better carb, as the older bikes aren’t really emission choked like the new ones.
  8. yz400fmaniac

    Keihin FCR41 - what bikes use them?

    Yz450’s used them, maybe yz426’s, i dont know that it will drop in but should be pretty easy make sure you get as much of the hot start assembly as possible
  9. yz400fmaniac

    Will a xr 650r slip on for work on a Honda xr 650l

    Yes it should work But it will take some re engineering, heres a good post on what to expect to have to do: Xr650r muffler on a 94 xr650l will it work? https://thumpertalk.com/index.php?/topic/1046797-Xr650r-muffler-on-a-94-xr650l-will-it-work%3F
  10. yz400fmaniac

    Dr650 fuel in petcock vacuum line?

    Was the petcock on prime, if it was that bypasses the vacuum and lets gas flow freely
  11. yz400fmaniac

    1997 xr600 won't start after changing filter.

    Also make sure the breather tubes on the carburetor aren’t clogged
  12. yz400fmaniac

    1997 xr600 won't start after changing filter.

    Check the spark plug wet= flooding. Dry= no fuel but make sure you kick it before you do this test, I would also clean the carb and replace the spark plug if all this fails than adjust the valves(should adjust them either way) and replace fuel with fresh 87 octane these old bikes do best on 87 as they are lower compression and do not need hight octane rating
  13. yz400fmaniac

    '87 XR600R Suddenly no spark

    Check all grounds and power wires, sounds to me like a wiring issue you can find wiring diagrams all over the internet just takes a little research, id bet on a loose wire or improperly secured ground. And about the bike never wanting to start hot, that is a sign of needing a valve adjustment, it is very easy on these bikes. Good luck~jake.
  14. yz400fmaniac

    Losing Compression at high rpm

    Well had to take carb off my dr650 last week reassembled and it had almost no power and surging untill past half throttle, turns out i routed a carb vent hose wrong they should be routed twords rear of bike out of wind. Its a longshot but could be the culpret
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