> I recently purchased a '90 Yamaha Riva Jog for my wife to ride. It's got a
> little over 1000 miles. I also have '79 Puch Magnum MK II with 9500 miles.
> > The Jog has buckets more power than the Puch, even though they're both 50
> cc. Any ideas on why this is? I've been thinking of selling the Puch
> 'cause it won't quite make it up the hill to the house. The Jog hauls at
> 20+ with no problem.
> > The Puch seems to run will enough, just not enough grunt to make it up the
> hill. The plug is new and I had it serviced recently by a knowledgeable
> moped mechanic. Any thoughts?
The Magnum MKII has a puch Maxi engine I believe. Those engines just
aren't that good. They don't have a lot of power at low rpms.
What you can do is get a bigger sprocket on the rearwheel, but that will
also result in lower top speed.
Newsletters, Tips and Discussions on Your Favorite Topics