Bore and Stroke: 47.95 x 47 – 51.94 x 47
Displacement: 85cc – 100cc
Front fork: Mupo
The 85cc / 100cc machine receives some small but significant technical updates for the new model year, all designed to further enhance an already incredible package. With a growing reputation of being one of the best ‘out-of-the-box’ 85cc machines on the market, the TM 85 MX machine has an ever-increasing track record of excellent results and great reliability. With a chassis that not only gives superb riding characteristics but is also one of, if not the, lightest on the track in real world terms, matched to an engine that has a great spread of usable, class leading power. The smallest machine of the TM Racing brand range is constructed with not only performance in mind but also durability and is well received by amateur and professional alike in its characteristics.
The aluminium chassis, a first for a ‘Junior’ model, not only looks incredible but also delivers the lap times when matched to the ‘factory’ type fork and shock absorber arrangement. For 2021 the aluminium frame has seen some revisions in its construction, allowing a reduction in weight of the chassis itself. The current suspension configuration and the settings utilised have created a chassis with great response to terrain changes, improving tracking and rear wheel traction, this in combination with the confidence inspiring ‘over-sized’ braking system that works, and keeps working in the harshest conditions, gives a great chassis package of tried and tested components. Built to perform and keep performing whilst maintaining lightweight and retaining ‘upmarket’ componentry and strength throughout, the TM 85 MX is an incredible machine.
The 85cc water-cooled, power-valve type engine features a billet machined crankshaft, a machined and treated con-rod, hand finished crankcases that feature a water jacket around the crankshaft area for reducing crank temperatures, a V-force reed block, hand finished cylinders, an ‘oversize’ gearbox and clutch arrangement for superb durability and ultra-reliable clutch performance, die-cast clutch casing and ancillary covers for a smooth look, lighter weight and superb strength, a Kokusan ignition system and new exhaust system, all fed by a Keihin 28mm carburettor with an oversize intake bell mouth, breathing through a large volume Twin-Air air filter.
For the new model year, the already outstanding 85cc engine will see only minor changes and revisions, it will continue to adopt all the previous model year specifications changes, these previous updates included a new crankshaft, running on new reduced friction main bearings, alongside new crank-seals designed to ensure increased seal durability whilst reducing frictional losses. The cylinder continues to adopt the latest updated configuration and port timing arrangement that was designed to maximise performance throughout the rpm range when combined with the twin-blade power-valve system revision. All these changes are of course harmonised with the ECU ignition settings, to give a better overall power delivery and create one of the best performing engines in its class. Chassis components include, billet triple clamps, billet hubs laced to excel rims, billet rear brake lever, oversize brake discs with oversize calipers, braided brake and clutch lines, hydraulic clutch, new Mupo Race Fork, Extreme Tech shock absorber, TM even felt the need to include a built-in hole-shot device, the specification is endless. For 2021 the aesthetic look of the machine will remain the same with its already modern design replicating that of its big brethren, albeit for a new decal scheme incorporating some brighter colour accents giving a more striking visual appearance. A machine built with purpose, using some of the best components and materials available, designed to perform and keep performing without the need to invest heavily in the after-market, an excellent package of high performance, superb handling characteristics, light weight and excellent reliability for the youth sector.
2021 Price: TM Racing MX 100 Jnr 14″-17″ / 16″-19″ : £5,695.00
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