PDA

View Full Version : 421cc 4mm Stroker Banshee on Pump Gas



Mobile Dyno
02-28-2007, 04:34 AM
Her is a banshee that we did. It had:


Trinity 400 Cub Cylinders
Trinity 4mil stroke
Trinity 35mm Carbs
Trinity STG 4 pipes
Dynatek Box
16t From Sprocket
K&N Filter
Pump Gas
All New bearings and seal.
+6 Swingarm

This whole motor has been redone from bottom to top. New Everything. It came stright from the Yammy dealer to the dyno with no run time. We broke it in on the dyno.

Here is what we did after alittle tuning..

Mobile Dyno
02-28-2007, 04:35 AM
:)

Mobile Dyno
02-28-2007, 04:38 AM
:D

Mobile Dyno
02-28-2007, 04:39 AM
;)

Mobile Dyno
02-28-2007, 04:41 AM
Here is the A/F Graph.

Blue = 150 main

Red = 130 main

Needles in the 3rd

firefighterjosh
02-28-2007, 04:46 AM
Those are some imppressive numbers for pump gas.

03-01-2007, 09:23 AM
awsome to see a big bore banshe eon here...just under 100 hp...not bad on pump gas! and a set of 210 cc jugs

pro-rider46
03-31-2007, 08:12 AM
i bet if you run race gas you will easily get 100hp

give that a shot

blasterfreak99
03-31-2007, 01:44 PM
i hope that guy is not plannin on runnin that on a motocross track but it looks like it cuz of the front tires

03-31-2007, 05:08 PM
id love to have that banshee! looks like a sweet ride!

chad502ex
04-02-2007, 09:27 AM
AWESOME GAIN MATT!!!!:eek2:


WTG!:macho