Zodiac Bikers Book by BMG

www.zodiac.nl 07-021 Parts fit all 1937 and later 45CI, 74CI & 80CI Sidevalve engines, unless otherwise specified. *for best results we recommend to flow intake ports and use oversize intake valves, high compression heads and M51 style or Mikuni carburetor. 1929 GEAR CASE COVER, FITTINGS & GEARS 45CI & FLATHEAD Pos. ZPN Description OEM 25 781161 Cam cover gear shaft bushing Big Twin 25591-37 26 745744 Cam cover gear shaft bushing 45CI 25593-37 27 745741 Cam gear cover bushing 25595-37 28 781157 Crankcase cam gear bushing, Big Twin 25599-37 28 234681 Crankcase cam gear bushing 25601-37 28 782930 Crankcase cam gear bushing, set of four 25601-37 28 781158 Crankcase cam gear bushing Big Twin, +.005" O.S. - 28 234682 Crankcase cam gear bushing 45CI, +.005" O.S. - 28 781159 Crankcase cam gear bushing Big Twin, +.010" O.S. - 28 234683 Crankcase cam gear bushing 45CI, +.010" O.S. - 29 238901 Idler gear bushing, 1930-up 25785-30 29 235778 Idler gear bushing, Jims USA, 1930-up 25785-30 30 238902 Idler gear stud assembly, 1930-up 25788-30 31 238908 Idler gear stud screw 25794-36 32 238903 Idler gear stud spring ring 25810-15 33 238906 Circuit breaker drive gear only 25851-37 34 238907 Circuit breaker drive gear key, 1929-up 25860-29 34 781162 Breather valve and scavenger pump gear Big Twin 25302-37 35 745751 Breather valve and scavenger pump gear 45CI 26318-37 36 781321 Chain oiler adjusting screw kit, parkerized, 1932-up 26383-32 36A 782977 Adjusting screw only 26383-32 37 745738 Oil pressure switch, 45CI, Samwel 26550-38A 37 789833 Oil pressure switch, 45CI, replica, V-Twin Mfg. 26550-38A 37 780231 Oil pressure switch, Big Twin, Samwel 26551-39 37 789834 Oil pressure switch, Big Twin, replica, V-Twin Mfg. 26551-39 38 238905 Generator drive gear 31071-37 39 012257 Oil tank feed/vent line nipple, zinc, Genuine Zodiac, 3-pack 63533-15 39 788944 Oil tank feed/vent line nipple, chrome, Colony, 3-pack 63533-15 39 788945 Oil tank feed/vent line nipple, white plated, Colony, 3-pack 63533-15 39 788946 Oil tank feed/vent line nipple, parkerized, Colony, 3-pack 63533-15 40 234061 Cover screw kit 45CI, Colony, chrome - 40 234064 Cover screw kit 45CI, Colony, white plated - 40 234065 Cover screw kit 45CI, Colony, parkerized - 40 234062 Cover screw kit BT 1936-1969, Colony, white plated - 40 234063 Cover screw kit BT 1936-1969, Colony, parkerized - 41 235594 Idler gear, 1930-1948 Big Twin, S&S 25775-30 41 238917 Idler gear 45CI 25776-37 Pos. ZPN Description OEM 1 745745 Cover bushing pin 1/8" x 1/4" 271 2 238891 Pin, generator gear 327 3 238890 Crankcase oil strainer retainer pin 1/8" x 1 3/4" 333 4 238892 Crankcase relief pipe fastening screw, set of 4 1202 5 238893 Gear cover screw 14-24x1 1/8", set of 12, chrome 2341 6 238909 Chain oiler washer 6150 7 238911 Washer, 13/32"x5/8"x1/32", dealer 25-pack 6440 8 233511 Camshaft steel washer, dealer 10-pack 6769 9 238910 Lock washer #10x21/64"x3/64", dealer 100-pack 7021 10 734922 Pinion gear Big Twin 24010-37 10 745740 Pinion gear 45CI 24011-37 11 238894 Gear shaft bearing seal ring, 1939-up 24696-39 12 238895 Gear shaft seal ring spring 45CI 24699-37 12 781160 Gear shaft seal ring spring Big Twin 24700-37 13 238896 Crankcase relief pipe 24912-37 14 700179 Crankcase relief pipe gasket, Athena, dealer 10-pack 24921-37 14 238913 Crankcase relief pipe gasket, James, dealer 10-pack 24921-37 15 740464 Crankcase oil strainer 24975-37 16 - Gear cover 45CI 25201-37 16 - Gear cover Big Twin 25208-37 17 700190 Gear cover gasket 45CI, Athena, dealer 10-pack 25226-37 17 238912 Gear cover gasket 45CI, James, dealer 10-pack 25226-37 17 700191 Gear cover gasket Big Twin, Athena, dealer 10-pack 25227-37 17 781163 Gear cover gasket Big Twin, James, dealer 10-pack 25227-37 18 238897 Breather oil separator seal ring 25281-37 19 238898 Seal ring retaining pin, set of 2 25285-37 20 238899 Seal ring spring 25287-37 21 238900 Crankcase gear cover breather valve 25350-37 22 788730 Set of four cams, W, WL & G, Samwel 25501-37 & 25502-37 & 25503-37 & 25504-37 22 238914 Set of four WLDR-style High Performance cams, also fit W, WL & G 80610-39 & 80611-39 & 80612-39 & 80613-39 22 747439 Set of four true High Performance cams, W, WL & G, Samwel WLDR style with 10% more lift 23 745743 Cam gear cover bushing 25586-37 24 745973 Cam gear cover bushing 25588-37 25 745742 Cam gear cover bushing 25590-37 CAM COVERS & BUSHING (Ȧ*ȡ1ȝ (Site 431)

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