Figure 7 Gearbox inner cover, Gear selectors
4 Jun 2022


Figure 7 Gearbox inner cover, Gear selectors

14-1427
Stud, gearbox inner cover UNC/UNF (5/16-18TPI)(5/16-24TPI) X 3"O.A.
Ref# 1  Fig.  7 Page 25 #7 (1969) (Req:2)
 Gearbox
 ¹ Coarse thread to case.


57-0989 / T989
Hollow dowel
Ref# 2  Fig.  7 Page 25 #7 (1969) (Req:4)
 Gearbox inner cover


57-3650 / T3650
Bin - (0/0/1)
Camplate
Ref# 3  Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover
 ¹ [BT 2015 65kmi] used newer part 57-4055 (MAPCyle)


57-3660 / T3660
Bin K-2 (0/1/1)
Plunger, camplate index
Ref# 4  Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover
 ¹ Replaced @65kmi w SRM unit


57-1604 / T1604
Bin K-2 (1/0/0)
Spring, camplate plunger (strong) 3-17/32" Long; 26 coils
Ref# 5  Fig.  7 Page 25 #7 (1969)
 Gear selectors
 ¹ This (competition) spring is longer/stronger than 57-0373


57-3661 / T3661
Spring, camplate plunger Len:2-1/2"; Coils:22; Spring pressure:5-6 lbs/in.
Ref# 5  Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover


57-2172 / T2172
Index plunger holder (Tool-3/4")
Ref# 6  Fig.  7 Page 25 #7 (1969) (Req:1)
 Gear selectors


57-2608 / T2608
Selector fork Longer barrel than 57-0913, lay shaft selector
Ref# 7  Fig.  7 Page 25 #7 (1969) (Req:1)
 Mainshaft


57-0913 / T913
Selector fork Shorter barrel than 57-2608, main shaft selector
Ref# 8  Fig.  7 Page 25 #7 (1969) (Req:1)
 Layshaft


57-2595 / NT261
Bin K-2 (2/0/0)
Rollers O.D.:Orig (65Kmi).4370-72,SRM-.464-67,MAP-.4395
Ref# 9  Fig.  7 Page 25 #7 (1969) (Req:2)
 Gear selector forks
 ¹ Spares are new from MAPCycle, still using originals


57-0291 / T291
Selector fork rod
Ref# 10 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gear selectors


57-1606 / T1606 TIMKEN M11121
Bin K5-S3 (1/3/0)
Bearing, layshaft high gear (D.S.) Closed end needle roller
11/16" x 7/8" x 3/4"
Ref# 11 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox casing
 ¹ Also shown as Ref.14/Fig.2
 ² [BTM 2016 68.8Kmi][CZ 2010 40kmi]


57-1607 / T1607
Bin K-7 (1/2/0)
Washer, thrust New: .0905-.0910; Used 2018: .0938(outer)/.0916(inner spun)
Ref# 12 Fig.  7 Page 25 #7 (1969) (Req:2)
 Gearbox inner cover, layshaft
 Orient: Grooved side faces toward inside of gearbox
 ¹ 2012/40,000(cz)*2015/65,000


57-3766 / T3766
Cover
Ref# 13 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover


57-1614 / T1614 TIMKEN B1112
Bin K5-S3 (2/1/0)
Bearing, layshaft (T.S.) Open end needle roller
11/16" x 7/8" x 3/4"
Ref# 14 Fig.  7 Page 25 #7 (1969) (Req:1)
 Layshaft
 ¹ [2018 76.6kmi][2015 65kmi][2010 40kmi CZ]


57-0412 / T412
Bush BoreD 0.6245-.6255" Shaft clearance 0.0007-.0032"
Ref# 15 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearchange quadrant (inner bush)


57-0045 / T45
Kickstart stop
Ref# 16 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover


57-0397 / T397
Bin K-2 (0/1/1)
Quadrant
Ref# 17 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gear selectors
 Orient: Wider pivot boss goes towards gear side
 ¹ Split pin forward
 ² [BT 2015 65kmi]


57-1896 / T1896
Bin K-2 (0/1/1)
Quadrant spindle
Ref# 18 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gear selectors


5/64x1 3/8
Bin K-2 (6/2/0)
Pin, split - inner quadrant (5/64" X 1 3/8")
Ref# 19 Fig.  7 Page 25 #7 (1969) (Req:2)
 Gear selectors
 ¹ [BT 2015 65kmi]


21-1907 / S1907
Bolt UNC (SAE) 5/16-18TPI X 1-1/8" U.H. (Tool-7/16")
Ref# 20 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover


70-3446 / E3446
Bin C-7 (2/0/0)
Washer, plain O.D. 17/32 in. I.D. 5/32 in. Thick ~1/16 in.
Ref# 21 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover
 ¹ Bonnie has two


14-6608
Bin K-8 (14/0/0)
Screw, Posidrive UNC (SAE) 1/4-20TPI X 1" U.H. (Tool-Posidrive)
Ref# 22 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover


14-7023
Screw, Allen UNC (SAE) 5/16-18TPI X 1 3/4" U.H. (Tool-7/64" hex)
Ref# 23 Fig.  7 Page 25 #7 (1969) (Req:1)
 Gearbox inner cover


99-1153 AMAL 622/151
Bin M-4 (4/0/0)
Washer, fiber
Ref# 27 Fig.  7 Page 29 1971 PARTS (Req:2)
 Carburetter drain plug



EOF