Andrews Products Catalogue

Big Twin Ev80 & Early Twin 88

5-Speed Transmission Gears

A

B

C

D

E

F1

F5

F2

F3

F4

made from high alloy nickel steel and are heat treated and shot peened to give maximum durability and strength. Also, where ap- plicable, lead-in ramps have been machined into most gears to improve shifting and reduce wear on drive dogs and drive slots. Stock Main Drive Gears (Chain Drive) (Not shown) Main-32T Drive-chain � � � � � � � � � � � � � � � Part# 296550 Replaces H/D #35029-79 F Transmission Shafts (All Years) 1 Chain Drive Mainshaft, 1981–84 L=12�065” � � � � Part# 296800 Replaces H/D #35042-79 2 Belt Drive Mainshaft, 1985–89 L=14�095” � � � � � Part# 296850 Replaces H/D #35042-85 3 Belt Drive Mainshaft, 1990 only L=13�605” � � � � Part# 296900 Replaces H/D #35042-90 4 Belt Drive Mainshaft, 1991–up L=13�605”) � � � � � Part# 296910 Replaces H/D #35042-91 5 Countershaft: all years, 1984–up � � � � � � � � � Part# 296700 Replaces H/D #35632-79 Complete gear sets are available. Each set includes: First Gear (specify ratio) (ctr & mn) . . . . . . . . . . . 2 pcs Second Gear (counter & main) . . . . . . . . . . . . . 2 pcs Third Gear (counter & main) . . . . . . . . . . . . . . 2 pcs Fourth Gear (counter & main) . . . . . . . . . . . . . . 2 pcs Fifth Gear (counter & main) . . . . . . . . . . . . . . . 2 pcs Countershaft . . . . . . . . . . . . . . . . . . . . . 1 piece Mainshaft . . . . . . . . . . . . . . . . . . . . . . 1 piece Chain Drive (1981–1984) � � � � � � � � � � � � � � Part# 296081 Belt Drive (1985–1989) � � � � � � � � � � � � � � � Part# 296085 Belt Drive (1990 only) � � � � � � � � � � � � � � � Part# 296090 Belt Drive (1991–up) � � � � � � � � � � � � � � � � Part# 296091 Price sheet has listings of all combinations of gear kits and ratios.

A 3.24 Stock Ratio 1st Gears 1st Counter–31T � � � � � � � � � � � � � � � � � � Part# 296120 Replaces H/D #35622-79A 1st Main–18T� � � � � � � � � � � � � � � � � � � � Part# 296125 Replaces H/D #35025-79 B 2.94 Close Ratio 1st Gear Set 1st Counter–25T; 1st Main–16T � � � � � � � � � � � � Part# 296110 2.94 1st gears–close ratio shifting; 1st to 2nd. At peak RPM, 2.94 gears will run +5 MPH over 3.24 ratio. C Stock 2nd and 3rd Gears 2nd Counter or 3rd Main–27T � � � � � � � � � � � Part# 296330 Replaces H/D #35027-79A 2nd Main or 3rd Counter–23T � � � � � � � � � � � Part# 296220 Replaces H/D #35026-79A D Stock 4th Gears 4th Main–29T � � � � � � � � � � � � � � � � � � � Part# 296445 Replaces H/D #35028-79 4th Counter – 19T � � � � � � � � � � � � � � � � � Part# 296440 Replaces H/D #35625-79A (1987–up); also replaces gear and spacer in earlier 5-speeds. E Stock Main Drive Gears (Belt Drive) Main-32T Drive-belt � � � � � � � � � � � � � � � � Part# 296585 Replaces H/D #35029-85 Main-32T Drive-belt � � � � � � � � � � � � � � � � Part# 296591 Replaces H/D #35029-91 5th Cntr Gear–17T � � � � � � � � � � � � � � � � � Part# 296555 Replaces H/D #35626-79A The EV80 Big Twin 5-speed gear box has been around since 1984 and the number of modifications for 1340 bikes continues to create interest. In addition to close-ratio first gears, Andrews Products also makes stock replacement gears for 1st, 2nd, 3rd, 4th, and 5th gears. All Andrews Products 5-speed gears are

23

www.andrewsproducts.com