The TPS sensor is located on the right side of the throttle body as you sit on the bike. There are 3 wires to the sensor plug, green, black & red.

You fit the 'T' connector to the green wire then plug in the the yellow wire that comes from the poerizer into this connector.

If I remember correctly, the wires from the TPS sensor are very short and a bugger to get at.

Hope this helps?

thanks that help i fitted the poweriza and the light on it said all is ok but just one thing conserns me the headers start to glow red after about 5 mins thats not right is it

They glow red? You mean that they are red hot at tick over or after a 5 minute ride?

If either are the case, you'll need help from a tech guy here. I'm sure someone will post a reply soon.

hi i ment they glow when i just sart it up and let it tick over for a few mins but all the guys says this it normol thank god

The XBs have got very little advance at idle hence hot pipes due to late burn. A few of use advanced our ignitions by 10 degrees or so a year or so ago. It seems to have filtered back to Erik cos the 2010 models now have 7 deg more advance.

Not looked at the timing tables for 1125s yet.

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08 Specialized Langster

Is this done at any service interval by HD for those not adjusted (IE my 09 bike)?

Dont worry about it. It will go away with some miles on the engine, as it beds in, and the engine will then run cooler.

No

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08 Specialized Langster

is it something that can be done on 08's and on?