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
LIMIT&D &DITION MOTORCYCL& ART BY TRACK: Carlsbad Raceway: Carlsbad. CaUfornla TRACK STYL£: Outdoors. fast. rough CONOmONS: _ Hardpact<. lightly watered. good traction WEATH£R: Beautiful. hot & sunny TII1£ ON BIK£: Three hours RIO£RS: One 40+ Intermediate: one 40+ Novice S£TUPS TRI£O: .............•..................•... Set rtde height HARRY MIL ER of ~~Isle Man~~ Series ENGINE • Retains five-speed transmission (unlike YZ450F) • Cam-chain tensioner is smaller to reduce friction • Lower rod bearing is larger • Oil-filter material is paper (instead of steel) • Oil-filler plug is moved from frame to crankcase cover (a separate small dipstick is just below) • Oil-circulation system is now lighter and more compact • • • • • • • COl magnet rotor and boss are now unified Ignition coil is now integrated into spark-plug cap Carburetor's throttie assembly is now sealed from dirt Cutaway at bottom of cylinder reduces pumping loss Redesigned crankshaft Camshaft has automatic decompression system integrated Decompression lever is replaced wi handlebar-mounted hot-start button ~~'20"x30" Helmut Fath and Wolfgang Kaluch OIl board the URS sidecar at lite 1967 10M IT. SUSPENSION • Revised valving settings CHASSIS • Mainframe tubing is stronger • Square subframe tubing replaces round tubing • New tapered swinganm for less weight <, more rigidity • New brakes with a floating 250mm front rotor <, a 245mm rear (aluminum pistons replace plastic; master cylinders are altered; rear caliper has a new design; rear master cylinder has its reserve tank integrated) • New flatter, more streamlined bodywork • Fuel tank is lower <, holds about a quart!,r gallon less fuel • Chain slider is redesigned ~'18'x20" Irv Rhodes on tl1e 1929 KRTI Velocette at the 1930 10M n. _..•..Five-valve, liquid-cooled. four-stroke wi titanium valves ENGINE: .•.... _ DISPLACEJ\'lENT: 249cc COMPRESSION RAnO: _ 12.5:1 CARBURE110N: ...........•.37mm Keihin FCR flat-slide wi throttie-position sensor TRANSMISSION: _•....... _ .5-speed wi multi-plate wet clutch FRONT SUSPENSION: ... .46mm inverted Kayaba telescopic fork wi 11.8 in. of travel; adjustable for compression <, rebound damping REAR SUSPENSION: .•Kayabe single shock wi 12.4 in. of travel; adjustable rebound & high- <, low-speed compression damping FRONT BRAKE: ..... _......•..•..•...•.......hydraulic wi 250mm floating disc REAR BRAKE: ......•.•..•••••.••••......•.........hydraulic wi 245mm disc FRONT TIRE: ........• < •••••••••••••.••••••••••••••• •80/100-21 Dunlop 739 REAR TIRE: , 100/90-19 Dunlop 739 OVERALL LENGTH: _ _..85.1 in. OVERALL HEIGHT: 51.2 in. OVERALL WIDTH: ..................................•.............32.5 in. SEAT HEIGHT: ..........•....•.........•. _...............•. , .....39.3 in. WHEELBASE: ...............................................•.... .58 in. GROUND CLEARANCE: ....................•................•.......15 in. CLAIMED DRY WEIGHT: 208 lbs. SUGGESTED RETAIL PRICE: ....• __ •...... _ $5599 VISA Due I .. n _ _ S • OCTOBER 9. 2002 39