FMHSC.com

Welll, here is what the silly rabbit did.... he done took his TPS (Throttle Position Sensor) off his Keihin FCR Carb when he sent it to his engine guy to cook it clean enough to eat off of, and throw a Moose kit in it.

Turns out... thats a major boo-boo...

Had I known the damn thing was that picky, unlike the automotive types, I would have scribed it and been happy.

Here is what I need.... the Factory Ohm value parameters for a 2004 Honda CRF250R Throttle Position Sensor.

Hunted all over the net and have had no luck.

DoH!

Tim
#785

Tried thumpertalk?

http://www.thumpertalk.com/topic/102148 ... ry10739354

He said 870 from the factory mark, 620 for it to work for him.

For the 2004 CRF250X it is 4-6kΩ according to my Honda service manual. Not sure if the 250R is the same.
Matt

Hmmmm, almost everything I've found on the net has me setting my meter to 2k ohms with the + red probe on the yellow wire and the - black probe on the black wire.

Yamaha values are .580 to .780. So I tried that, no joy.

I got the carb off the bike and the TPS attached to it on my bench and this is turning out to be an interesting exercise in aggravation.

She'll fire 2nd kick when cold and run sweet on the choke, but when I push in the button, the engine flat stops.

Always ask yourself... what has changed? (some chowderhead removed the TPS to protect it from the carb cooker, not understanding the lil' thing is kinda' sensitive to where it was set at the Factory..., THATS what changed!)

Mammal, You are a Fine Human Being! ( no matter what Shredder sez about you . Thank you a ton for the pics! That is precisely what I was after. Now I got something to work with, outstanding!.

(Pssst, Dave, keep telling me that when I go back to the 2s..... life will get easy in a hurry)

Whoop!

Tim
#785

I tried