well done Col, prob solved. they are a bloody good meter, might surprise you what uses it comes helpful in. 1/8 price of fluke and ive found mine totally reliable. bounces round all day in my ute and still going. someone on forum was looking to buy tps. even with post still something back. about tps, you prob. already know. block off pairs intake near air box,ride till hot, and set idle exact 1100revs, then set tps exact 1100 ohms. tps cheat on grey plug is so easy. tell me how sweet it rides, mine is so perfect, been same maybe 5 yrs. makes them so smooth. i just re checked tps, hasnt changed in all that time. just re checked throttle cables, havent changed. tight as you can without revs changing lock to lock on bars. such a sweet bike. fast or slow.