SES 2007 sprinter dyno printout

 

Darrel Ward

 

 

Darrel Ward on his new sprinter for 2007. Frame modified and forks raked. Engine is 237cc with rapido 225cc barrel with jap piston and porting done by SES and himself.

 

Darrels's Best Times This Year

 

Avon Park End of Year 13.9 AT 95 MPH

14.2sec's at 95mph all year no fail.
28bhp at 116mph at Scorpion open day September 2007.
2nd dyno at Shires sat 29th 2007 at 26.8bhp at 121mph.

 

Darrel's Engine

 

Rapido 225cc barrel topped and tailed, boost port in piston, 60mm af crank webs milled and packed by Dave Betts to up primary comp, Jap piston kit, SES piston top hats, higher comp road going head,tmx 38mm carb, NK exhaust, cam lam 6 plate exhaust and viatronic ignition.

 

Darrel's Dyno Printout

 

 

Dave Betts

 

 

Dave Betts on SES new sprinter for the end of 2007 for development tuning on Lambretta's. Running on a 237cc TSL iron conversion testing several piston mods for our TSL road going kits. After several modifications to port design and piston ports the kit is sarting to perform well and will be adapted to all SES 250cc TSL kits.

 

15.3 sec AT 87mph with new piston mods, figues will be higher once Darrel as recovered from is fall at Woodbridge.

 

First dyno run was in September on stickys dyno with a result of 26.9 bhp before new piston mods

.

 

2nd dyno run at Shires sat 29th Sept 2007 pacemaker box fitted 17/46 chain set up at ratio 4.99. Speed 107mph at 29bhp.nk exhaust fitted. First run with sprint exhaust as per first dyno on stickys was at 26bhp.

 

Dave's Dyno Printout

 

 

Sprinting

 

Scooter Engine Services and Fahron
200cc Lambretta Sprinter
60mm Crank
5 Port System
S.R Barrel with JAP Piston
17.40 sec at 78 mph.