TM MX 144 2020

TM MX 144 2020

Product #:TM-MX-144-2020

Call for price & availability +35314526170

TM Racing MX 144 2S

The TM 144 engine is not a simple ‘big bore’ cylinder addition to the existing 125cc engine, it is a complete engine revision with alterations to both bore and stroke. Featuring different crankcases, crankshaft, con-rod, cylinder, cylinder head, ignition and TMEES programming, designed to give the best performance from the capacity. 

Bore and Stroke: 56 x 58,2

Displacement: 143,35 cc

Compression ratio: N.A.

Horse power: N.A.

Aspirazione: V-Force Reed valve

Carburettor: Keihin PWK 38

Fuel: Super-unleaded

Ignition: Kokusan CDI Electronic with variable advance with two selectable maps through handlebar switch

Clutch: Multiple-disk in oil bath with hydraulic control

Gear: 5 gear

Cooler System: Coolant liquid with pump

Frame: Perimetral aluminium section

Front fork: KYB USD

Rear shock: TM Racing

Front tyre: 90/90 X21

Rear tyre: 100/90 X 19

Front brake: Braking wave Disk 270 mm. With Nissin pump and Brembo caliper

Rear brake: Braking wave Disk 245 mm. With Nissin pump and caliper

Tank: Plastic 8,7 litres

125cc / 144cc: Single Cylinder, Water-Cooled, TMEES Powervalve.

Hand finished crankcases with water cooling of the crankshaft area of the cases, lightweight and strong die-cast clutch casing, clutch inspection, water pump and ignition covers, cast water pump rotor, billet machined crankshafts running on roller bearings with ‘hi-tech’ crank-seals, billet treated con-rod, friction reduction coated pistons, high performance – long lasting clutches, ‘cush-drive’ clutch baskets, friction reduction hard coated gearbox selector fork tips, hardened gear-shaft parts (new main shaft), 5 speed MX / 6 speed EN (differing low/top ratio) gearbox, V-Force reed blocks, hydraulic clutch actuation, Keihin Carburettors, High performance exhaust systems, TMEES electronic exhaust valve control, Kokusan digital variable advance ignition with twin map selection.

The legendary TM Racing 125cc and 144cc 2-stroke engines are synonymous with performance. Combined with some incredible technical innovations, the latest evolution of engines are designed and constructed from some of the best materials and feature some of the best ancillary components available as standard fitment. TM Racing have created small capacity engines with outstanding power characteristics, greater than their actual capacity would suggest, alongside superb reliability to give class leading performance from the outset time and time again. Both the 125cc and 144cc variants have will received new cylinder configurations and port timing arrangements alongside new cylinder heads. A revised exhaust system also features with new Cdi programming and settings all designed to maximise the performance of the engine alongside a new TMEES electronically controlled exhaust valve with a direct drive system like it bigger bretheren. This new arrangement gives better response with a gain in power/torque at the lower range whilst strengthening the mid / top end performance of the engine. The TMEES system electronics have been profiled to work seamlessly with the engine electronics to ensure power, torque and responsiveness is always at its best for each given discipline. On the 125cc / 144cc EN and SMR variants fuel injection will also feature and includes a host on new engine changes specific to these models, including a new crankshaft and a whole new electrical system dedicated to the TSi injection system.

CHASSIS

The high-end specification of all TM Racing machines is well versed and this model year is no exception, once again the specification list for a production machine is vast and features numerous high-quality components, many revised for the new range. All full-size models will once again be constructed using an aluminium chassis and sub-frame, with each engine capacity variant having a chassis unique to that engine displacement. This ‘tailoring’ of the chassis to engine allows TM Racing to design and build each machine for minimal weight, compactness and better handling characteristics with mass centralisation specific to each model whether 2-stroke or 4-stroke. All chassis are constructed using the latest design elements that reduce overall chassis weight whilst maintaining maximum strength, matched to some revisions in geometry / triple clamp angles that are specifically tailored to each model, allowing the best in handling characteristics for each model variant in the range. On all models, the now standard fitment KYB 48mm twin chamber forks (50mm DLC coated Marzocchi on SMX models) will continue to adopt the latest generation ‘coatings’, these forks are designed to give an improved response for faster changes to the terrain, all still controlled by the more favourable spring and oil set-up which is still proving to give greater reliability and more consistent performance. The TM Racing shock absorber, made in house by the TM racing technicians, remains and stills adopts the latest ‘sealing’ system to reduce the frictional losses and increase shock performance, combined with the latest swing-arm, linkage components and larger rear spindle diameter to limit flex, always allows for a more progressive feel giving improved track stability and maximising traction. The chassis and suspension components work together to achieve incredible handling characteristics on a multitude of surfaces, allowing for greater stability in all conditions, increasing traction and inspiring greater confidence to reduce lap-times. The aesthetic look of the machines body panels will remain the same, albeit with a new fork guard, with the option of white front fenders, fork guards and front number plates / headlight available as ‘spare parts’ purchases. The current appearance of the latest generation model range is still one of the most striking to date, a mix of angles and curves that blend seamlessly into each other from front to rear. Beautiful, yet aggressive in it’s shaping, the body panels will however feature a new decal scheme incorporating some brighter colour accents giving a more striking visual appearance.

‘FRESH AIR SYSTEM’
All TM Racing adult 2-Stroke models feature the ‘Fresh Air’ intake system which allows the engine air filtration system to breathe cleaner air, this system reduces particulate contamination of the air filter maximising power for longer duration. Air is channeled from the intake vents, on the top of the fuel tank, to the airbox which houses a large volume air filter.The ‘Fresh-Air’ system also brings another added advantage in the form of a lower centre of gravity, with the fuel tank now positioned slightly further into the chassis around the engines cylinder, this ‘weight’ shift, combined with the latest frame geometry and suspension, all work harmoniously to maximise the handling characteristics of each machine.

WHEELS 
The CNC machined billet aluminium hubs, laced to anodized Excel rims, feature the latest spoke arrangement with a ‘tapering’ design profile in a stronger material, a material treated to increase corrosion resistance, larger spoke nipples feature on the front wheel also for added strength. The wheel configuration allows for the best in strength and durability of the wheel components whilst reducing the un-sprung weight by a small margin. The CNC machined hubs, featuring external dust seals encircling CNC machined wheels spacers to further protect the wheel bearings, are mounted to the suspension components via large diameter hollow spindles. The larger diameter spindles, machined through their centres to lower weight, allow for a more rigid fixing off the wheel reducing the flex and allowing the suspension to work more effectively.

BRAKING SYSTEMS 
The braking systems of the TM racing model range has also received some new components in the form of some new options for the SMX range and new Brembo front brake pumps for some adult models. The entire model range continues to feature high quality oversize wave discs working with TM Racing’s ‘mix’ of componentry. The master cylinders are connected to the brake calipers with lined and braided high quality racing brake lines that are designed to minimise expansion and ensure maximum braking effort is always transmitted to the calipers. This tried and tested collaboration of parts is regarded as one of the best braking systems in many tests and by racers alike. These braking systems keeps performing in the harshest conditions giving great efficiency and inspiring confidence always. The rear brake system is actuated by a twin bearing pivot mounted, billet machined aluminium foot lever with a replaceable tip.

TRIPLE CLAMPS 
The triple clamps fitted to TM Racing motorcycles competition range are CNC machined from block aluminium and each clamp is a work of art, the clamps intricate machining, most of which can only be seen from the underside, gives a structure designed to be supremely strong whilst keeping weight to minimum. The triple clamps also come with an optional ‘damped’ bar mounting system that, through the use of a tapering rubber cone arrangement, allow vibrations that can be transmitted through to the handlebar area to be reduced, whilst also allowing some ‘give’ to the bars in the event of a fall reducing the chances of more severe damage occurring to the handlebars and the components adorning them. The handle bars are secured, via the optional ‘damped’ bar mounting system, by billet machined bar clamps, with the top bar clamps featuring machined TM logo’s on their upper face. New triple clamps angles feature on the new 250/300 2-Stroke machines.

CLUTCH ACTUATION 
All TM Racing machines come fitted with a Hydraulic actuated clutch as standard, the master cylinder, made by Brembo, transmits fluid via a lined and braided hydraulic line to TM Racing’s own ‘slave’ cylinders. With separate slave cylinders for the 85/125/144 engines, the 250/300 engine, the 250Fi/300Fi engines and the 450Fi and 530Fi engines, each unit designed to fit and perform for each model giving a balanced clutch feel between all engine size variants, With both single and dual seal pistons in the slave cylinders depending on model application. The Brembo master cylinder, working with the braided hose that limits hose expansion under extreme load, gives great feel and precise clutch control with great durability when combined with TM Racings ‘cush-drive’ clutch baskets, which on the 250cc/300c and Fi variants are coated with a hard wearing, friction reduction coating. All clutches are multiple disc ‘wet’ units with multi sprung pressure plates.

TM-MX-144-2020

Data sheet

Engine Size
144
Engine
2 Stroke
Product Type
Bike
Bike Year
2020
WHY CHOOSE CCM RACING?
30+ years industry experience We opened our doors back in 1982 and have been working non-stop since then to bring out customers the best products. We’ve seen our fair share of products come and go over the years and we’re confident we’ve learnt what works best in all conditions. We can’t wait to see what the next 30 years bring, not only to CCM but the whole off-road motorcycle industry.
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