1984 HUSQVARNA 510TX Husky Ahrma Champion Vehicle Description THE ULTIMATE AHRMA 4-STROKE MOTOCROSS BIKE - 1984 HUSQVARNA 510TX. This bike has won three AHRMA national championships and is the hands down choice for the new Ultima 4-stroke class. This bike has the same basic engine configuration as today's modern 4-strokes. It is a 510cc 4-stroke engine with a 4-valve head and twin exhaust ports, mounted on top of a 2-stroke lower end. This bike tips in at 257 lbs. dry wt. and has smooth 4-stoke power that revs to the moon. - 87 510 water cooled slipper piston installed - The extra heavy flywheel has been turned down by 8 oz. to help the engine rev quicker. - Bike has a TX model 6-speed transmission. Gears 1-3 are wide ratio and 4-6 are close ratio. - The clutch is a sintered metal clutch and will never fade or slip. - Up-Tite Racing 2 into 1 header and a Big Gun muffler, eliminates the right side stock exhaust pipe for a narrower and lighter bike. - 2 into 1 pipe also allows the use of the narrower Husky 2-stroke right side panel. FRAME: - Has the extra small 2.0 gallon plastic Clarke Husky CR replica tank. - Brand new seat foam and cover. - Renthal Button bend high bars. - Revalved ITC Ohlins rear shocks, with stiffer Ohlins springs. - Modified front fork dampen mods. - 87 model footpegs and triple clamps with straight bar clamps. - brand new o-ring chain and sprockets. - Bike also comes with a case of Motul full synthetic trans oil.