Thumpstar- TSX 140cc 14/12

Collections: Thumpstar Pit Bikes

016 Thumpstar TSX 140cc 14/12

The purchase price is for an assembled bike, picked up from our shop in Thames.

We can arrange delivery of the bike to your home address, but please contact us first for a shipping cost before purchasing.

Shipping price will vary depending on the location we are shipping to. 

Bike can only be shipped unassembled. 

Price includes:
Assembly of the bike in our workshop
Extended 7 months parts warranty

Assembled bikes must be picked up from our shop in Thames as they cannot be shipped.


- YX/GPX 140cc Engine

- 30mm Mikuni Carb

- 4130 Chromoly Tri Frame with Cradle

- Dual Piston HSK Front Brakes

- MX Steze Fat Bar

- VS1 Front Suspension

- Pipe Bomb DW-1 Exhaust System

- Ribbed Stripe Gripper Seat

- Ak-7 Alloy 7075 Rear Rim

- Rim Lock

- Sprocket lock



Engine: YX/GPX | 4 Stroke | 14h.p | 90kph(depending on gearing)
CC Rating:


Gearbox: Manual | 4 speed(N1234)
Starter: Kick
Carburetion: Mikuni 30mm
Exhaust: Pipe Bomb DW1 38mm Exhaust System
Final Drive: KMC 428 Chain




Suspension Front:

VS1 Invertedl Forks | Length 770mm | 45/48mm

Suspension Rear:

Mono shock | Length 310mm 

Brakes Front:

Disc | HSK  Dual Piston

Brakes Rear:

Disc | HSK Single Piston

Wheel & Tyre Front:

Steel Rim | 70/100-14

Wheel & Tyre Rear:

AK-7 Alloy 7075 Rim w/ Rim Lock | 80/100-12

Wheelbase(axle to axle): 1260mm | 50"
Seat Height: 830mm | 31"
Carton Dimentions:

TBAmm | .40 m3

Weight(n.w/g.w): 75/85kg | 165/187lbs
Tank Capacity: 5 Litres | 1.3gallon

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