Question about 1995 BMW R 100 RT

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Idling issue A while back I had some gas vent problems which I solved by disconnecting the hose to the charcoal canister. The bike worked like a charm until about 2 weeks ago. After about 15 minutes of riding, my idle starts to get all screwed up by going really low and stuttering. I can sort of notice while I'm riding at speeds under < 40 MPH because the bike is becoming very twitchy. Just a tiny movement of the hand makes the bike leap or sometimes I can't feel the pull that I should be getting when I open the throttle. I checked the charcoal canister and the intake hose is still connected to the charcoal canister. When this happens, I open up the gas lid but it doesn't help all the time. Sometimes I will open it and close it and the idling problem will be fixed, but also sometimes I can do it and it returns to running poorly about 5 seconds later.

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Collapsed fuel line.

Posted on Apr 05, 2009


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First check to make sure that gas is good and that filters are not plugged. (I had this problem w/ my truck and it was "crumb" in the line that clogged before filter) Also check any vacume lines. It sounds like a pressure problem and may be a pressure regulator.(may be electrical or mechnical or vacume) I am not too hip on FI but on this forum there are several people try to contact Wrider or Sev, but check the simple stuff first.

Posted on Nov 20, 2008

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I need to know how to remove the battery


Is your alarm draining it?

I use a schumacker 1.5 amp trickel charger & whenever i am home, it is on the charger to maintain the battery.

The battery is under the fuel tank.

There are two M6 nuts at each side near the back of the seat. You need a 10mm wrench or socket to remove them, then carefully disconnect the wires on each side of the seat base and lift the back of the seat and slide it back out of the frame.

You then need to remove both side covers and remove the tank hold down bolts and disconnect the fuel supplyand return lines. The tank will then lift up and slide back. The tank vent lines will have to be disconnected as well. Work carefully and try to remember the routing of the vent lines to the evap canister. If you mix up the vent lines, gas can ruin the canister and cause problems in future.

You will now see the battery..... make sure to clean the terminals and apply dilectric grease.... tighten securely. (thanks 2 Satguy777).

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Are you bad about trying to pack your fuel tank, if you are your causing more...


Are you bad about trying to pack your fuel tank, if you are your causing more problems for yourself. Here's why the fuel in your tank is only made to go so far, so when you keep pumping, the fuel level gets over the range it should be, so then the overflow of fuel goes threw the charcoal canister that is used for venting your tank, then it brings this charcoal back to your tank. Then it travels threw your fuel pump, your fuel filter and fuel injectors causing clogs and fuel pump to wear out early.So when you get that first click at the gas pump, STOP Don't put anymore fuel in.

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My yamaha r1 randomly idle jumps and then dies


Hi, Justin and the usual suspects are:
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For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://www.r1-forum.com/forums/105-07-08-r1-mechanical-help/346779-bike-has-been-dying-randomly-while-coming-down-idle.html
2007 2008 Yamaha R1 Stalling Problem Fix How to
https://r1videos.files.wordpress.com/2011/04/2002-2003-yamaha-r1-service-manual.pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

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1 Answer

How do I replace the battery?


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If you remove the tank completely, you need to disconnect the fuel lines (quick connectors) and also disconnect the crossover pipe at the lower front of the gas tank. This line also has a quick connect fitting on it and has to be pulled out to the left side once disconnected. Pay close attention to the vent hoses and where they connect to the vapor recovery canister. If you reverse the hoses, you can ruin the recovery canister.
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There are two M6 nuts at each side near the back of the seat. You need a 10mm wrench or socket to remove them, then carefully disconnect the wires on each side of the seat base and lift the back of the seat and slide it back out of the frame.

You then need to remove both side covers and remove the tank hold down bolts and disconnect the fuel supplyand return lines. The tank will then lift up and slide back. The tank vent lines will have to be disconnected as well. Work carefully and try to remember the routing of the vent lines to the evap canister. If you mix up the vent lines, gas can ruin the canister and cause problems in future.

You will now see the battery..... make sure to clean the terminals and apply dilectric grease.... tighten securely.

Good Luck!

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1 Answer

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