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Basic Technical Data
Engine
 
Engine Model TMR- 131cc
Engine Type Single cylinder
4 stroke, air cooled
Bore MM 54.1
Stroke MM 57
Displacement cc 131
Compression Ratio 12:01
Max  Output HP 12.45 HP
Max Torque NM 11.4(5500±500r/min)
Idle Speed  (R/Min) 1500±150
Fuel Type  High Grade Unleaded 
Spark Plug Type/Gap  NGK CR7HSA ,0.6-0.8
Engine Oil Grade 10W/40SF
Starting System Kick only
Clutch Type Wet multi Plate
Transmission Gear Type 4 Speed manual
Primary Reduction Type 4.058
Gear ratio    1st 3.181
2nd 1.705
3rd 1.238
4th 0.958
Carburetor Mikuni Japan 20 to 24mm
Ignition CDI
Magneto Type Electronic Flywheel
Engine Oil Capacity 1100ml
Frame Alloy Spar Design
Forks Omicron open oil cartridge
adjustable USD
Overall Length  1566mm
Wheel Base 1083mm
Seat Height 695mm
Handlebar Height 915mm
Overall Width 770mm
Wheel Size Front/Rear 14/12 inch
Retail Price
Thumpstar TDX PRO 131
Plus Shipping

$ 2,495.00

General Disclaimer:
All specifications are correct at time of press but are subject to change without prior. Shipping is not included – All Sales are Final

TX Pro Thump Star

The big daddy! The Thumpstar with the biggest punch; aimed at the 12” race class. It comes with everything as with the TDX Expert but with 131cc big bore kit, 24mm Carburettor and Kitaco Inner rotor ignition kit. Add to this our fully adjustable open oil cartridge USD front forks and piggy back rear shock you have a bike more than capable of fighting its own corner in any situation and its built here in the US.

Special Features
12" rear and 14" front Dirt Wheels
Exclusive Alloy Spar Frame
Vertical Rear Shock Position With Piggy Back Reservoir
Omicron's Adjustable USD Forks
Piggy Back Rear Shock
Steel Braided Brake Hose's
New Aggressive Dirt Tire
New Carbon Graphic Kit
New Inlet Pipe
131cc Engine with high compression piston kit
24mm carburetor
Kitaco inner rotor ignition kit

Our policy
We at Thumpstar are paranoid that you the customer have the best Thumpstar experience possible. So we want to hear your comments good and bad.
Please email us at haveyoursay@omicronmotors.com and well, have your say. It doesn’t matter if it is about the bike or the dealership that you bought your bike from we want to know. Plus we want to know what you are up to send us pictures, results and comments about you and your Thumpstar. Everything you send is treated with the highest confidentiality and your contact information is kept secret. We appreciate your honesty and feedback.

Thank you
The Management Team of Omicron Motors

 

 


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