doodlebug jackshaft kit Question

[02mx-5]

http://promodraceparts.com/ I just found this online. What would it do for a doodlebug? Acceleration, top speed what exactly?

 

[Compnerd88]

http://www.oldminibikes.com/forum/b...bike-performance-jackshaft-upgrade-video.html

-Logan

 

[02mx-5]

Thanks for the video. Very helpfull. Like someone on that site asked, how much better would a db be if it had a 6.5 and the jackshaft kit? I think i see that in my future

 

[ez51122]

migh as well buy another engine the jackshaft almoast cost like the 6.5hp engine at harbor freight theres only like a $20 difference but ullnedd another cluth.