Thumpstar -TSX 125-C

  The TSX 125 has received a complete overhaul for Version 5. Gone are the days of facing struggles of dealing with issues which are common on many other minibikes. We have gone back to the drawing board and scratch built a New Frame, Airbox, Linkage Suspension, Hubs and Rims, and much more. This has not only allowed our bikes to become stronger and more reliable, but also gives the rider peace of mind knowing, no detail ...

Overview

 

The TSX 125 has received a complete overhaul for Version 5. Gone are the days of facing struggles of dealing with issues which are common on many other minibikes. We have gone back to the drawing board and scratch built a New Frame, Airbox, Linkage Suspension, Hubs and Rims, and much more. This has not only allowed our bikes to become stronger and more reliable, but also gives the rider peace of mind knowing, no detail has been left untouched.

Our design team has produced a piece of engineering art. The frames are a new Quad Bar, which has made them stronger than ever. Along with the frame developments, we made space and rigged them with mounts to accommodate our new caged airboxes. This allows a better air filtration system while increasing airflow into the carburetor, and in turn, more horsepower. A first on pit bikes and minibikes alike, we have scaled down the linkage from the likes of a full-size race bike and fitted it to these smaller sized 110s. The linkage provides a much smoother ride than traditional PDS style suspension, which allows for faster cornering, high and low-speed adjustments, and increased rider comfort. We have redesigned our hubs and created space for a much heavier duty 20mm rear axle, coupled with stainless spokes and alloy rims, which provide our strongest wheels to date. Check out our description video and the following spec lists to see these upgrades!

Thumpstar TSX 125 C

 

Specifications

Model
TSX 125-C
Category Name
Motorcycles
Year
2024
Sale Type
New
Manufacturer
Thumpstar
Quantity
1
Manufacturer Qty
0

engine & transmission

Engine
YX | 4 Stroke
Exhaust
Pipe Bomb DW1 | 38mm Exhaust System
Gearbox
Manual | 4 speed (N1234)
Starter
Kick
CC_Rating
125cc
Top_Speed
90kph / 55mph (depending on gearing)
Carburetion
Molkt VM22 26mm
Final_Drive
PSC 6 Bolt Sprocket | 428 HD Chain

suspension, brakes, & wheels

Brakes_Rear
190mm Disc | HSK Single Piston
Brakes_Front
220mm Disc | HSK Dual Piston
Suspension_Rear
VS1 Linkage U Shock | Length Adj 350mm (+10mm)
Suspension_Front
VS1 Inverted Forks | Length 700mm | 45 / 48mm
Wheel_&_Tire_Rear
7075 Alloy Rim w/ Rim Lock | 80 / 100-12
Wheel_&_Tire_Front
7075 Alloy Rim | 70/100-14

dimensions & weight

Seat_Height
830mm | 33"
Tank_Capacity
3.4 Liters | 0.9 Gallon
Product_Packing_Size
1420 x 430 x 640mm | 0.40m3
Product_Weight_N.W_|_G.W
80 / 90 kg | 176 / 198 lbs.
Wheelbase_(axle_to_axle)
1260mm | 50"

database

Name Link
Engine Part List Download
PARTS BREAKDOWN LIST Download
GRAPHIC TEMPLATE Download

features

Thumpstar TSX 125 C

Frame

Thumpstar Tri-Bar Chassis

With developments in chassis strengthening and design, Thumpstar’s new Tri-Bar Frame allows the bike to feel more solid under foot while allowing the bike to perform with greater agility and comfort than ever before. Additions to the frame allow the header pipe to be re-routed under the frame, reducing the likeliness of pipe burns to the legs, include removable footpeg mounts, which can be easily replaced and allow the kickstand to be removed for racing, and a reinforced adjustable steering stop. The new frame is also capable of housing the new Thumpstar airbox but it is not yet a stock option.

Thumpstar TSX 125 C

Wheels

AK7 Wheels

We’ve redesigned and strengthened our AK7 wheels to give you the comfort of knowing buckled rims and loose spokes are a thing of the past. The cast aluminum hub has been changed to run a 6-bolt sprocket and 4-bolt disc while moving to a 20mm axle that allows for oversized wheel bearings. We’ve swapped those stretch-prone steel spokes for anti-stretch and snap-resistant stainless spokes. And lastly, the rims have been upgraded to top-of-the-line aluminum alloy.

Thumpstar TSX 125 C

Suspension

VS1 Front Forks

Our new line of VS1 front forks provides a plush yet stable ride through all those bumps, ruts, and jumps. Improved outers coupled with our reliable valving lets the front end have a settled movement while allowing greater front wheel feedback, keeping the fork to be rigid while handling bigger impacts.

Thumpstar TSX 125 C

Header

Pipe Bomb 2.0 head pipe

A redesigned frame came with requirements for a new exhaust header. The new Pipe Bomb 2.0 head pipe from Thumpstar allows exhaust gasses to expand, cool, and ramp back up at a higher velocity when exiting. This results in a greater bottom and low-end response while keeping the tuning in check for the top end

Thumpstar TSX 125 C

Linkage

Swingarm and Linkage developments

The new TSX bikes have received yet another significant upgrade, which brings performance closer to that of full-size motorcycles, rear linkage. Rather than traditionally attaching the shock to the top of the swingarm, we have scaled and applied linkage shared with the likes of full-size race bikes to attach to the bottom of the swingarm. This improves handling in the rear and completely changes the riding experience of these bikes.

Thumpstar TSX 125 C

Engine

YX-R 125 Engine

Giving you the thump you need to get off the line and the punch that gets you out of the gate, the YX125 engine delivers a whopping 11+ HP at the crank. Precision engineering from Yin Xiang delivers a reliable and strong engine package that consistently gets the job done.

Thumpstar TSX 125 C

Airbox

 

One of our most exciting developments for 2020 was the design and production of our very own airboxes for the TSX and the TSB. Advances in 3D modeling and printing have allowed us to give you a system that provides much better air filtration with a dual-layer filter, while increasing airflow to the engine. The airbox prevents harmful particles from entering your engine where traditional minibike foam filters would typically fail.

Thumpstar TSX 125 C

Waterproof Electronics

 

All of our new bikes come equipped with redesigned looms and electronics. We have done away with single flimsy wires and connectors and replaced them with heavy-duty multi-core wiring and sturdy connectors. Accompanied by waterproof plugs and electronics such as the Revking CDI, Rectifier, and Coil, makes this is a far superior package to any of the competition.

Thumpstar TSX 125 C

Rear Axle

 

We have increased our rear axle to 20mm and made it hollow, then heat treated it, which makes it a similar weight to the 15mm axle but much stronger. Finally, made it a Lockheed design so only need one 30mm spanner for removal.

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Thumpstar TSX 125 C

Footpegs

 

Our new footpegs have been made 56mm wide, the same as aftermarket motocross 250/450 footpegs, for better grip and rider comfort. We used high-quality stainless steel material for strength and to look fresh for years to come, finished off with perfectly fitting springs.

 

product packaging

Thumpstar TSX 125 C

brands

Thumpstar TSX 125 C

Documents

  • TSX125.pdf

    TSX125.pdf

  • V5 2022.pdf

    V5 2022.pdf

  • V5-110-212cc.pdf

    V5-110-212cc.pdf

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