[align=left]So my friend just bought a 02 F4i and it has been running very rich. Its very sluggish. I told my friend to leave it at my house so I can check it out. So I ran into several problems. One the TPS sensor is cracked, and i found three vacuum hoses disconnected. I connected one already but I can't seem to find where the other two go to. Ill show a picture of these hoses but the vacuums are from the intake side of the head and below the throttle bodies plus its only the outter ports.
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If you lift the gas tank and reveal the air filter box, you'll see a diagram for vacuum lines. Connect those and replace the TPS and you should be good to go. Do you have the shop manual for it?? If not, I do and could probably send it to you electronically.

 

This is what I found in the manual, but like I said, check under the tank. Good Luck


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Thanks I found where it connected to. On the service manual, it shows that it connects to the air box that has two plastic sticks on the back. Well I changed the spark plugs, and connected the vacuum hoses. TPS sensor still works well. Bike runs great.
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Excellent ... now all you have to do is convince your friend that you're still looking at it and ride the hell out of it for a week or so ... LOL!! Good job man !!