Glad your happy with your purchase!
I did not notice you were a OMB.com member when the order went through. It does not matter if your new. This is one awesome Forum and I'm glad you joined up too.
I just sent you a paypal refund so you get the OMB discount price.
As far as your question about the J.S being used with a 6.5 ....
There are pics of the PMR J.S system being used with the 6.5 engine on my website at
Baja Doodlebug,Dirtbug Performance and Repair parts It works great for many applications that can benefit from a gear reduction system. When using one for a 6.5 DB project you need to use the PMR mount plate that is available on the website too so you can set up your chain alignment. (engine mounting will be about 3/8" more to the right than if you just run a chain from the clutch to the rear sprocket).
If you are going to just run a stock 6.5 engine with the Governor intact then the JS system will not really be that practical. The stock 6.5 makes enough torque to pull the 12-70 5.83 ratio OK. If you are going to run a modified 6.5 without a Governor then you can gear down with the JS system to get better take-off accell, smoother clutch action, and still have a blazing top speed because of your modified engines increased RPM capability. It's my opinion that the jackshaft makes a Hotrod 6.5 DB more fun to ride rather than trying to go for maximum top end speed with tall gearing. I like a 7 to 7.5 to 1 ratio on the bike I play with. But if anyone wanted to get crazy and try to set a land-speed record they could always change up the JS gearing to overdrive. Anyone have a Doodlebugger land speed record yet? lol
Hope this helps explain.