2007 Yamaha Stratoliner S "exup valve" Questions

...and love the sound and the performance Your friend is correct. These bikes will lose a small amount of HP and torque in the mid range if you disable the EXUP valve. Slip on's would be a better

...EXUP Motor Locked Up ? Frozen 19 - Blue/Black ECU wire broken or disconnected <> 22 - Air Temp Sensor (in headlight) (open or shorted) 24 - O2 Sensor ? No Normal Signal Received 25 - Cyl #2 ...

are because: 1. you removed your EXUP servo and/or valve when you installed your exhaust. 2. your EXUP valve is stuck / cables are seized up 3. your wiring harness is disconnected from the servo motor

...exup valve on the bike,is this common??the rattle stops when you raise the rev,s on the bike. Your EXUP valve must be loosen. Take out the header's part that includes the EXUP valve and check ...

...exup valve is not being detected or the valve is locked up and not moving. If you put a header on your bike and took over the exup valve servo motor, you are going to have to put it back on. It also ...

...exup valve set up I am putting the standard exhaust back on to my Yamaha fz1n (57) and can seem to get the exup valve to operate correctly? sticky valve stens,inccorect tappit ajustment,valve timing ...