2002 Yamaha TDM 900 - Page 2

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Featuring a new frame, swingarm, suspension and bodywork, the TDM900's new high-specification chassis shares very little in common with the 2001 model, and as well as being significantly lighter it also offers enhanced handling performance.

One of the most significant changes on the TDM900 is the all-new aluminium frame which replaces the previous model's steel design. Featuring widely-spaced twin spars and a detachable sub frame, this new frame is 29% lighter than its predecessor, and at the same time offers much greater torsional, vertical and horizontal rigidity.

New-design brackets are located below the frame's main spars, and these are equipped with R-series type rigid engine mounts that attach to the cylinder head for increased chassis stiffness. Also new is an aluminium box-section swingarm that offers lower unsprung weight and higher rigidity for improved suspension action.

To match the higher-specification chassis the TDM900 is equipped with uprated 43mm front forks. For 2002 they feature adjustable rebound damping, and also a preload adjustment facility. Offering a generous 150mm of wheel movement, they can be quickly and easily adjusted to suit different riding situations.

The totally new rear end features a sophisticated link-type suspension and a piggy-back shock absorber that is equipped with adjusters for rebound and compression damping as well as for spring preload. The linkage system gives rising rate suspension characteristics for better performance, and the fully-adjustable shock enables the TDM900 rider to choose the best set-up.

Every effort has been made to reduce weight where possible, and the TDM runs with new-design 3-spoke wheels that are lighter and also wider. The MT3.5 front wheel is fitted with a wider 120/70-ZR18 tyre, while the MT5.0 rear wheel carries a fatter 160/60-ZR17, and this combination of lower unsprung weight and wider front and rear tyres makes for improved road holding and smoother suspension action.

Just like virtually every other chassis component, the braking has also been uprated, and the TDM900 is fitted with new R1- type one-piece 4-piston dual calipers at the front end that slow a pair of 298mm diameter floating discs manufactured from 5mm thick steel, 1mm up on the 2001 model. Together with the new pin-slide type rear caliper, this new braking system generates strong and progressive stopping performance and offers plenty of feel.

For added convenience the front brake lever features a 5-position adjuster, while both the rear brake lever and gear change lever are now manufactured from forged aluminium to save weight ¨C and for reduced friction the gearchange shift rod layout is changed.

Yamaha's designers have created all-new bodywork for the TDM900 that gives the machine a much more dynamic and stylish feel, and at the same time is instantly recognisable as being a TDM.

The new more angular and aggressive-looking cowling flows seamlessly into a new-look 20-litre fuel tank, and the cutting edge styling is complemented by new dual multi-reflector headlights and redesigned tail light. Completing the package is a new front fender, restyled tail and comfortable new dual seat.

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