TrailMaster TM33 250 Dirt Bike - 5-Speed Manual, Dual Disc Brakes
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TrailMaster TM33 250 Dirt Bike - 5-Speed Manual, Dual Disc Brakes
Description
The TrailMaster TM33 250 is a full-size, motocross-ready dirt bike built for riders who want serious performance without a serious price tag. Powered by a 223cc, 4-stroke, air-cooled single-cylinder engine producing 16 HP, it delivers a broad and even power band capable of reaching speeds up to 55 MPH. The TM33 comes equipped with both electric start and kick start, giving you reliable ignition in any condition. Dual disc brakes front and rear provide confident stopping power, while the 51mm inverted hydraulic front forks soak up rough terrain with ease.
With full motocross ergonomics, a 21" front and 18" rear aluminum wheel setup, and a race-tuned suspension system, the TM33 handles naturally across virtually any terrain. The lightweight steel tube frame keeps weight manageable at 234 lbs net, and the tapered aluminum handlebar and digital CDI ignition round out a package that punches well above its class.
Key Features
- 223cc 4-Stroke Engine: Single cylinder, air-cooled ZSCB250D-G engine producing 16 HP with a top speed of approximately 55 MPH.
- Dual Start System: Both electric start and kick start included for reliable ignition in any situation.
- 5-Speed Manual Transmission: Manual wet multi-plate gearbox in a 1-N-2-3-4-5 pattern for full control over power delivery.
- Dual Disc Brakes: Front 240mm dual piston caliper disc and rear 240mm single piston caliper disc for strong, predictable stopping.
- Inverted Front Forks: 51mm inverted hydraulic forks with 150mm of travel for smooth front suspension performance over rough terrain.
- 21"/18" Aluminum Wheels: Full-size motocross wheel setup (1.60x21 front / 2.15x18 rear) mounted on lightweight aluminum rims.
- Lightweight Steel Tube Frame: Rigid yet manageable frame with a net weight of 234 lbs and a 37" seat height.
- Tapered Aluminum Handlebar: 6061-series aluminum tapered bar for strength and rider comfort.
- Digital CDI Ignition: Electronic digital CDI ensures smooth power delivery across all gears and easy starting.
- Race Suspension Geometry: Full motocross ergonomics with 11.8" ground clearance and a 59" wheelbase for confident trail and track riding.
Shipping
This product requires additional shipping. If you'd like a quote before you purchase, fill out the form on this page or email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.
What's Included
- TrailMaster TM33 250 Dirt Bike
Why You'll Love It
The TrailMaster TM33 250 is built for riders who take their trail and motocross riding seriously. Whether you're carving through dirt trails or pushing the bike on a track, the TM33's race-spec suspension and full-size 21/18 wheel configuration deliver a ride that feels dialed-in and confidence-inspiring. The dual start system means you'll never be stranded, and dual disc brakes front and rear give you the stopping power that aggressive riding demands. At 234 lbs with a powerful 223cc engine, this bike strikes a real balance between lightweight agility and brute-force performance. The TM33 is a smart choice for intermediate and advanced riders looking for a capable full-size dirt bike without stepping into a premium price bracket.
Product Specifications
View Product Specs
| Engine Type | ZSCB250D-G, Single Cylinder, 4-Stroke, Air Cooled |
|---|---|
| Displacement | 223cc |
| Max Power | 12/7000 kw/r/min (16 HP) |
| Max Torque | 17.5/5500 N.m/r/min |
| Compression Ratio | 9.3-9.9:1 |
| Transmission | Manual Wet Multi-Plate, 1-N-2-3-4-5, 5-Speed |
| Bore and Stroke | 65.5 x 62.2 mm |
| Start Type | Electric & Kick Start |
| Carburetor | PZ28 |
| Ignition | Digital CDI |
| Chain/Sprocket | #520 Chain, 13T Front / 47T Rear Sprocket |
| Front Suspension | Inverted Hydraulic Forks, 51mm, 150mm Travel |
| Rear Shock | 460mm Spring Pre-load, Non-Adjustable |
| Front Wheel | Aluminum, 1.60 x 21 |
| Rear Wheel | Aluminum, 2.15 x 18 |
| Front Tire | 80/100-21 |
| Rear Tire | 110/100-18 |
| Front Brake | Dual Piston Caliper, 240mm Disc |
| Rear Brake | Single Piston Caliper, 240mm Disc |
| Frame | Lightweight Steel Tube Frame |
| Swingarm | High Strength Steel Tube, L=560mm |
| Handlebar | Tapered Aluminum #6061 |
| Overall Dimensions | 86.6" x 33.9" x 49.2" (2200 x 860 x 1250mm) |
| Packing Size | 67.5" x 18" x 34" (1715 x 450 x 860mm) |
| Wheelbase | 59" / 1500mm |
| Seat Height | 37" / 940mm |
| Ground Clearance | 11.8" / 300mm |
| Fuel Capacity | 6.5 L / 1.72 Gal. |
| Net Weight | 234 lbs / 117 kg |
| Gross Weight | 326 lbs / 148 kg |
| Top Speed | Approximately 55 MPH |
Manuals & Guides
FAQ
Is this bike good for beginners or is it for experienced riders?
The TM33 250 is best suited for intermediate to experienced riders. With a 223cc engine producing 16 HP and a 5-speed manual transmission, it requires a good understanding of clutch control and throttle management. Newer riders who are comfortable on smaller bikes and ready to step up will find it manageable, but it is not recommended as a first-ever dirt bike for someone with no off-road experience.
Does this bike come assembled or does it require setup?
The TM33 250 ships partially assembled and will require some final assembly before riding. This typically includes attaching the handlebars, mirrors (if applicable), and front wheel, as well as checking fluid levels, tire pressure, and making final adjustments. Basic mechanical knowledge or a visit to a local powersports shop is recommended to ensure the bike is properly set up before its first ride.
What is the difference between electric start and kick start on this bike?
The TM33 includes both starting methods for maximum convenience and reliability. The electric start allows you to fire up the engine with the push of a button - ideal for quick starts and everyday use. The kick start serves as a reliable backup in case the battery is low or the electric starter is unavailable. Having both gives you peace of mind on longer trail rides where getting stranded is not an option.
What age or size rider is this bike designed for?
With a 37" seat height, the TM33 is designed for full-size adult or teenage riders who are tall enough to comfortably reach the ground. Riders should ideally be 5'6" or taller to ride confidently. Always ensure the rider can plant at least one foot on the ground while seated for safe control.
Does this bike require a title or registration to ride?
The TM33 250 is an off-road dirt bike and is not street legal as configured from the factory. You typically do not need a title to ride it on private property or designated off-road trails, but regulations vary by state and locality. Check with your local DMV or powersports dealer regarding off-road registration requirements in your area.
| Specification name | Specification Value |
|---|---|
| Fuel supply | Gasoline |
| Item condition | New |
| Transmission type | Manual |
| Vehicle features | Headlights |