Page 18 of Motorcycle and ATV Racing Parts & Accessory 2007 by Ron Wood Racing Products

rotax 504 604 605 engine parts click here to jump back to quick links engines have been discontinued but parts will be available for quite some time single overhead cam air cooled engine 5-speed standard transmission 40mm intake port 36mm intake valves 34mm for the 504 30 mm exhaust valves please note all engines now come with the electric start type clutch covers and may not fit some older brand x frames they will fit all wood-rotax frames from 1986 on pistons forged american made cp pistons and rings available as well as rotax factory pistons standard engines have one size only to fit the nikasil cylinder other sizes require a replacement iron liner and possibly machine work to the crankcases piston prices include rings pin and clips · 89 mm piston assy ­ cp piston $260.00 · 97 mm piston assy ­ rotax 330.00 o cp piston 260.00 o oversizes available 97.5 98 mm · 99 mm piston assy 614cc on 79.4 mm stroke 260.00 o oversizes available 99.1 99.2 mm o 628cc on 81 mm stroke not legal for ama national flat track this piston requires an iron liner or custom nikasil sleeve · 102 mm pistons for nikasil cylinder will fit older 660s 260.00 · 103.1 mm 4.060 in piston assy 260.00 oversize 4.070 in 676cc on 81 mm stroke 663cc on 79.4 mm this kit will work only with cylinders having the casting no 223 400 in the front right corner on top of the cylinder made to fill the demand of roadracers running in sos type events where displacement is not limited this piston fits both 605 and 604 engines · replacement ring sets conventional rings $44.00 · total seal rings 55.00 · premium wrist pins 30.50 · pin clips 2 req for late model and rotax .60ea o some early models may require 4 clips rotax factory pistons are available in all sizes for rotax four stroke engines including 350 500 504 560 and 600 18

[close]