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2 Stroke Config Poll
This form is intended to gather data about how riders have set up their 2 stroke motorcycles to help other riders get their smokers performing optimally, particularly carburetor and jetting setups.
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Name / 2SW Alias
Your answer
Make
*
(ex. Yamaha, Suzuki, Bultaco, etc)
Yamaha
Suzuki
Kawasaki
Honda
Bultaco
Ossa
Other:
Year
*
Your answer
Model
*
(ex. RD400C, RD350A)
Your answer
Cylinder Brand
(If different from stock)
Your answer
Overbore
Specify if cylinders have been overbored and what number
1st
2nd
3rd
4th
5th
Other:
Clear selection
Approximate Elevation
*
Feet above sealevel
0-1000
1000-2000
3000-4000
Over 4000
Performance
*
How would you rate your bike's performance with its current setup?
Poor
1
2
3
4
5
6
7
8
9
10
Perfect
Rich or Lean
*
How rich or lean would you describe your carb setup? 4 would mean perfectly tuned.
Very rich
1
2
3
4
5
6
7
Very lean
Carb Type
*
Specify type of carb (ex. VM28, TM32, Lectron, etc.) or "stock" if unmodified
Your answer
Oil Injector / Premix
*
Oil injection
Pre-mix
Premix Ratio
If premixing, specify the ratio of fuel:oil (ex. 40:1, 28:1)
Your answer
Pilot Jet Size
*
Your answer
Air Jet Size
Your answer
Air Mixture Screw
*
Specify number of turns out in .25 increments from fully seated (ex. 1.75)
Your answer
Needle Jet
*
Specify needle jet type (ex. 169-P0) or "Stock" if unmodified
Your answer
Needle
*
Specify needle type (ex. 5DP7) or "Stock" if unmodified
Your answer
Needle Clip Position
*
Specify position of clip of needle
1st notch from top
2nd notch from top
3rd notch from top
4th notch from top
5th notch from top
Main Jet Size
*
Your answer
"Dave F" Mod?
*
Have you performed the popular "Dave F" mod to your carburetor? (2mm airjet, primary needle conversion)
No
Yes
Other carb or intake mods
Ex. crossover tubes, boost bottle, banshee manifolds, slides
Banshee crossover tube
RZ crossover tube
Team Scream Boost Bottle
Other Boost Bottle
Banshee manifold
Reed spacers
Other:
Air Filter Type
*
Ex. Stock, Y-boot, Pods, etc
Stock airbox
Y-boot
Uni pods
Metal-backed pods
Other:
Ignition System
*
Stock Points
Stock CDI
Vape / MZB
Chinoy
Vintage Smoke Dyna S
Martek
Other:
Exhaust Type
*
Ex. Stock, Spec II, Toomey, etc
Your answer
Porting Specs
Specify whether any porting work has been done (ex. Team Scream Stage 1, SCR Stage 2)
Your answer
Reed Types / Reed Cage Mods
*
Ex. TDR Reeds, V-Force Cages, Stock metal reeds
Your answer
Squish Clearance
Your answer
Compression
Specify compression for each cylinder (ex. 135/125)
Your answer
Spark Timing
Distance before top dead center in MM (Ex. 2.0)
Your answer
Gas Octane
Your answer
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