rr250 - 1974 HarleyDavidson RR250 for Sale at mali u17 Auction Mecum Auctions 1974 Aermachhi HarleyDavidson RR250 Road Racing Motorcycle Bonhams 1974 HarleyDavidson RR250 VIN 1F10016 H4 CLASSICCOM The Allison Model 250 now known as the RollsRoyce M250 US military designations T63 and T703 is a highly successful turboshaft engine family originally developed by the Allison Engine Company in the early 1960s The Model 250 has been produced by RollsRoyce since it acquired Allison in 1995 Needs Some Work 1974 HarleyDavidson RR250 Bikeurious 1972 Harley Davidson RR250 Specification Engine AirCooled twostroketwin pistonport Capacity 246cc Bore stroke 56mm x 50mm Compression Ratio 121 Carburation 30mm Mikuni Max Power 49bhp 11400pm Torque 226ftlbs 10250rpm Ignition Magneto Transmission 6speed dryclutch chain finaldrive 1974 HarleyDavidson Aermacchi RR250 lritemtext 25200 USD Sold Dare to Dream Online Lot 340 biddinglotreserveStatusFormatted The result of a remarkable ItalianAmerican motorsports partnership Based on the 250cc HarleyDavidson Walter Villa piloted to three straight 250cc World Championships Walter Villas HarleyDavidson RR250 HarleyDavidson RR GP motorcycles The HarleyDavidson RR250 also known as the HarleyDavidson 250RR was a racing motorcycle designed developed and built by HarleyDavidson conforming to the 250cc class regulations of the Grand Prix motorcycle racing world championship between 1972 and 1977 4 5 6 7 Motorcycle Specifications Overviews and Road Tests With motorcycle racing legend Walter Villa as its pilot the HarleyDavidson RR250 carried HarleyDavidson to the only international Grand Prix motorcycle roadracing championships the company earned in its long history 1974 HarleyDavidson Aermacchi RR250 RM Sothebys Vehicle history and comps for 1974 HarleyDavidson RR250 VIN 1F10016 H4 including sale prices photos and more pp random FIND Search Listings 740131 Follow Markets 9072 Explore Makes 651 Auctions 1146 Dealers 326 HarleyDavidson RR250 Wikipedia 1974 HarleyDavidson RR250 Lot S94 Saturday January 27 th Las Vegas Motorcycles 2024 246cc ParallelTwin 6Speed Prev Next Photo Gallery 12 photos Engine Number 9 Frame Number 1F10016 H4 Auction details Got questions Contact us Information found on the website is presented as advance information for the auction lot Photos After a couple of years the RR250s race days came to an end when Basore purchased a HarleyDavidson franchise the daytoday running of which took up most of his time The retired race bike took up residence on the showroom floor but eventually was sold to a museum Ownership by other museums and private collections followed until Allison Model 250 Wikipedia The RR250s cooling system had by this time switched to a watercooled setup and the sixspeed twostroker was ridiculously well dialedin thanks to Villa patiently spending countless hours putting in test laps On the heels of Villas success Harley opted to capitalize on the occasion by building RR250 and 350 replicas that were made Titled in the US 1975 HarleyDavidson RR250 Bikeurious Harley Davidson RR250 Road Racer Motorcycle Specifications Harley Davidson RR250 Race Bike Classic Motorbikes The RR250 also borrowed components from Yamahas TD model as a way of saving on costs for Harley and Aermacchi in development and production The twostroke 246cc aircooled twin power plant reportedly made 49hp at 11400rpm and 226ftlbs of torque at 10250 rpm Married the engine is a 6speed dryclutch metilon transmission with chain finaldrive
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