Subject Started By  Posts  Last Post 
Polini CP Idle Jet? Toledo Riot  22 posts — latest 05/07/19 04:37PM
Magnum XK Clutch Slip (?) Question Andrew B  9 posts — latest 05/05/19 10:15PM
Proma a lot quieter when wrapped. Barry (Bob) Brown  7 posts — latest 05/05/19 12:47PM
2 speed clutch from 82-83 Express will work in 1 speed 81 Express Jack Rutherford  6 posts — latest 05/05/19 09:00AM
AV10 walkin' cranks. Anyone else? Chloe Feldman  14 posts — latest 05/04/19 11:25AM
Spinning Crank By Hand French Moby  15 posts — latest 05/03/19 01:23PM
Foot peg solutions Chris Carleton  0 posts — latest 05/03/19 10:27AM
Jetting help! Beau Tobin  2 posts — latest 05/03/19 05:18AM
I WANT IT SILENT! Alex Hedrick  54 posts — latest 05/02/19 11:38AM
Kitted a3 performance. Where is it at Matthew Fickett  23 posts — latest 05/01/19 06:25PM
Puch maxi bogging after driving full throttle for 2-3 min Rasmus Langberg  30 posts — latest 05/01/19 09:34AM
NIBCO tomos intake on a K-star pat splat  7 posts — latest 04/30/19 02:00PM
Mo1 speed. Beau Tobin  3 posts — latest 04/30/19 06:07AM
Hobbit motomatic pulley Chris Carleton  21 posts — latest 04/28/19 10:30PM
Reed valve performance Alex hernandez  13 posts — latest 04/27/19 09:27PM
Malossi AV10 h2o cylinder kit tolerances Sam Abradi  3 posts — latest 04/26/19 03:21PM
Wheel and Fork Spacers French Moby  4 posts — latest 04/26/19 12:01PM
Hobbit not fully variating. Chris Carleton  5 posts — latest 04/26/19 12:06AM
QT50 upgrade Timothy Lehrer  2 posts — latest 04/25/19 08:17PM
A35 top end speed? Dom Smith  9 posts — latest 04/25/19 07:49PM
A35 torque improvement, WTF is going on ? Nicolas Smolders  26 posts — latest 04/25/19 09:29AM
A35 Polini + 19mm PHBG Race Questions B DM  40 posts — latest 04/25/19 03:20AM
PP derbi thread... What kinda stuff you guys doing? «tyler »  27 posts — latest 04/24/19 12:02AM
How big is too big?!?! Ben Johnson  14 posts — latest 04/23/19 04:42PM
how to "sipe" brake shoes steven kline  27 posts — latest 04/21/19 12:06PM
moped tuner...it works slick. kevin Smellaflange  16 posts — latest 04/20/19 09:54PM
Morini Ed. Where you at?? Beau Tobin  13 posts — latest 04/19/19 11:55AM
Single ring vs double ring pistons Ľ̷̝̽͒i̶̛̼͑͠ȁ̸̧̛̽m̵̻̟̯̀̅ ̷͎̙̽̊F̶̲̺͑̓ F  26 posts — latest 04/19/19 01:18AM
Puch Polini + Mikuni VM20 Jetting cj cj  11 posts — latest 04/18/19 11:43PM
New Shocks? 81' 5 Star General Bull Dog  5 posts — latest 04/18/19 09:16PM
El-cheapo Peugeot CDI vs. 5 coil Will S  7 posts — latest 04/17/19 10:09AM
Exhaust Chamber Calculator Jake P  25 posts — latest 04/16/19 10:39AM
Carb upgrade for stock-ish qt50 as first mod. Rob LaFreniere  17 posts — latest 04/15/19 07:26PM
mocking up tomos top end with puch piston. Justin Broth  4 posts — latest 04/15/19 05:09PM
Optimizing Your Ride Michael Forrest  8 posts — latest 04/15/19 12:26PM
Anybody ever run a frenchy engine in an hs50? Aaron Blair  13 posts — latest 04/13/19 08:51PM
Hobbit vm20 tuning help.. taylor Vogel  13 posts — latest 04/13/19 05:56PM
Derbi pp to cyl reed JBOT Admin  37 posts — latest 04/12/19 08:50PM
Best set up for A35 Alex Moore  20 posts — latest 04/12/19 09:41AM
Decking Batavus head Alex Rice  29 posts — latest 04/11/19 11:57PM
Something to Slap Together Seth B  51 posts — latest 04/11/19 11:49PM
Fuel injection Douglas Binder  24 posts — latest 04/11/19 10:12PM
Bought a puch.. Alex Hedrick  59 posts — latest 04/10/19 06:39PM
Suitable exhaust upgrade Garelli Katia? Luke W  6 posts — latest 04/08/19 02:33PM
Av10 rotary valve Ľ̷̝̽͒i̶̛̼͑͠ȁ̸̧̛̽m̵̻̟̯̀̅ ̷͎̙̽̊F̶̲̺͑̓ F  6 posts — latest 04/08/19 09:38AM
Go go peugeot Evan Wells  9 posts — latest 04/05/19 06:22PM
General 5 Star Carb Tunning Luis Paez  3 posts — latest 04/05/19 03:17PM
Hercules P1 (Sachs 504) Performance help Tanner Moersch  5 posts — latest 04/05/19 11:59AM
Deristricting Vespa variator Les B.  46 posts — latest 04/02/19 07:13PM
Stock crank on 70cc kit will it last? Rica Rivera  6 posts — latest 04/02/19 06:01PM