mods

  1. 10seat 01.jpg

    10seat 01.jpg

    Mini Bike seat. 10" x (5.5" front width, 7" rear width) x (3" front height, 5.5" rear height) I'm going to cut a hole in the bottom panel of this seat and bury the post in it so the seat is slammed all the way down. (Mongoose Dolomite build in progress.)
  2. R

    Custom Exhaust help 49cc

    I am designing a motor limo bicycle 49cc I was thinking adding 2 exhaust together first the expansion tube exhaust in the front then piped down to a poo poo long pipe muffler going down the side. Was wondering would doing that hurt any performance or anything
  3. B

    Mod List?

    Hey I'm new to motorized bikes (my first engine is still shipping), and I was wondering, what are some good performance mods to do on a cheaper budget, and in what order? I was thinking to do: -Exhaust -CDI -High compression head -36 tooth rear sprocket -?
  4. J

    Performance parts before break in

    I ordered a new bullet train 80cc motors and I was wondering is it safe to use performance parts on it like a sbp expansion chamber and other things like reed valves and a speed carb.
  5. J

    Drilled Piston/Wrist Pin Preachin'

    Going to post some pictures of the work I did eventually when I have time but I follow Jaguars site and put some holes in my piston (12 specifically) and bored out my wrist pin a little bit (calipers useful) (plus cleaned out flash/ lil bit of porting). I would have done more but feared for the...
Back
Top