Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles
Issue link: https://magazine.cyclenews.com/i/128175
4-STROKE EXTREME TITANIUM VALVES REVISED SUSPENSION 5-VALVE CYLINDER HEAD FeaturinG an all-new powerplant from the can up • cytin-- TIM new VZ450F buikl. T'8'¥S with Ughtnw,g apeed. th-*a to ita indUl'try--.xc:t~ive, hK:tory 11tCe-.,.e titanium 5-vaIw .~. tern. An .mirety new cytinder and heed combi..... for both significant weight HVings .nd phenomenal performance. An III-new. lighter-wetght swingarm. coup~d with fork and rear shock tweaks that include ligh_r·welght lntemela. Imoother Itroke and enhanced anti·bottomlng performance. mNnl the 250F'1 fluid, track·taming handling is now IlIkJer and more precise then ever. Scr.eming-telt ,...,.. Iightnlng~uick throWe retponse end potent low-rev torque .,.. thr.. of the high-performance perU ..rved up by the VZ2SOF'I ellclulMl 5·\,.1.... cylind.r head technology featuring a quintet of feathe~ight tltlInium valve•. ultra-.hort 53.6mm .trok•...•nd 13.500 rpm redlln•. POsnlONED TO AnACK RACE-READY ERGO OMICS Th. VZ250F. like Ita 450F .Ibling, geta thoroughly .......mped .rgonomlcs. court••y of en ell.new, lighterweight frlm. with gre.ter rigidit:y and. f1etter. longer •••t, fuel tlInk Ind radl.tor .hrouds. which optimize. freedom of movemlnt end weight transfer during the he.t of b.ttle, The VZ25OF'. apec;i.lly d••igned steering crown locate. the handl.bars sllghdy forward for Improved .rgonomic comfort end I mor••ggr.ssi ridIng po.ition. providing g....r bel.nee Ind f1.xibillty o r whoop••nd while railing through come,... der he.d, piston ..-wI cr.......ft • the YZ450f delivers a m..ty eto.e of broed.... beefier torque for instant hook.up with higher over·rev C8pKity and en-per. more linear throttle '"PO"" AUTOMATIC DECOMPRESSION Equipped with en all.new, lighter.weight automatic decompre.slon system and amoother·actlon k1ckttarter. getting the YZ450F thumping has never been ..aler. hot or cokt. NEW TRANS ISSIO & CLUTCH An all·new 4·ap••d transmission Nye. weight and allow. rid.,. to spend I... time .hifting and rno,.. time getting horsepower 10 the ground. In addition to revised firllt. lee· ond. and fourth gear ratios, the bike alllO featur.s, a b••fed up clutch with targer. stronger plat••. ABJUSTABLE COMPRESSION DAMPING Ub .11 ;ta yz nth,..." the 125 f. .tu.... fulty adjuetllbl. suspension front and back, highlighted by • ,.mDte reurtOlr-equlpped rur ehock bearing ..pwate adju"" fOf" hlgh-and low'apMd comprwaaion dIlmplng for optimal ..,.,...tility and smoother. more conaia_nt whMI control. 78 OCTOBER 9, 2002' e y e • e n • _ s MOTO-WINNING 250cc 2-STROKE ENGINE Smooth... pr.dictabl••• .brutaJly pow.rlul...ready for bettie. And now with re.haped porting, new port timing end • redeaJgned cytlnder head. thl. blue screamer hooks up end goes better then ever with ..... n bigger. benn-ahreddlng• mid-'*'Ge bite lind top-end howl.