I checked the T P S on my 99 WR4. Black to Blue = 4.9 k ohms throttle closed Black to Yellow = 800 ohms throttle closed When I calculated this as per the manual it looks to me that the TPS may need adjusting. The bike runs fine but it just dosn't have that snappy throttle response. I have gone right through the jetting and it looks to be o.k. Do my TPS reading look o.k and is there any benifits in adjusting it. If so what should lt be adjusted to and how do you adjust it or is it advisable to just leave it alone. The manual dosn't describe this very well. I have WR timing , Yz timing didn't work for me. Any help would be greatly appreciated.