SHcooter.com

Sold the 150 today so I no longer need my service manual. $30 free shipping in the U.S.
Please contact me directly at: otbiker324@gmail.com. PayPal if you'd like.
I probably won't be looking at the board anymore. I've enjoyed my stay!

Marty in Kerrville

Do you still have the manual? If so, what year does it cover?

Inquire of him via the HOT link within his post and I encourage you to track-one-down in any event.