Walter ··Tiger"
FRAME: Dr. Bob Raci ng Round/ Square Tube Chrome Moly
WHEELBASE: 83-92 inche s
SU BFRA ME: Round/ Squ are Tube Chrome Moly
SWINGARM: Round/Square Tu be Chro me Moly 48 inc h es long
ENGINE MODS: Dr. Bob Rac ing
EXHAUST HEADER: Dynapor t
IGNITION: Dynatek 4000
SPARK PLUGS: NGK CR10EK
CYLINDER HEAD : Dr. Bob Racing
CAMS: Stock R1
INDUCTION: Hilborn
BORE /STROKE: 68 x 58
PISTONS : J & E
RODS: Fali con
CRA N KSH AFT: Stock Yamaha R1
CLUTCH: Orient Express . R1
HA N DLEBAR: CR HI Bend Ren thal
GRIPS: MSR
GUARDS : MSR
CONTROLLEVERS: MSR
FORK : 2001 Yam aha YZ250 Revalved by Donn ie Lingle of B & B
Tra vel Con trol
TRIPLE CLAMPS: 2001 Yama ha YZ250
SHOCK : 2001 Yamaha Kayaba Reva lved by Donnie Lingle of B & B
Travel Cont rol
STEERING DAMPER : Scotts
WHEELS : 2001 Yamaha YZ250 front wheel. Quick Change 19"
dirt track rear wheel w/ Akront rim
FRONT BRAKE : 200 1 Yamaha YZ250
MASTER CYLINDERS: 2001 Yamaha YZ250
TIRES: Pirelli MT44 trent . Kenda Icetracker with chains -rear
GRAPHICS: Jim 's Garage
SEAT: Stump's Upholstery
FOOT PEGS : Yamaha YZ250
SPRO CKETS: Sp rocket Specialist s 17-tooth front .
42 -48 too th rear
CHAIN: RK 500A 530 chain , approx. 12 feet long
FUEL TANK: Aluminum , built by Dr. Bob Racing Capacity. One gallon,
uses half gallon per run
FUE L: VP Nitromethane 93 per cent with propalene oxid e
LUBRICANT S: Silkolen e
HARDWA RE: YoYoD yne
Comments: Tiger likes the front and rear suspension to be as stiff as possible. On certain hills we soften the rear
suspension if there are no huge jumps, changing damping and spring rate. He likes narrow handlebars (32 inches).
Tiger is one of the few 800cc riders who use the clutch to control how high the front end comes up in the air. We
change clutches a couple of times a season. The Hl cost us about S20 ,000 to build.
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