Honda TRX70 Fourtrax 1986 User Manual

10. TRANSM ISSION/CRANKSHAFT
SERVICE INFORMATION
TROUBLESHOOTING
CRANKCASE SEPARATI
ON
SERVICE INFORMATION
GEN ERA L
10 -1
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10 -2
CRANKSHAFT
TRANSMISSION
CRANKCASE ASSEMBLY
10 -2
10-4
10 -7
• Transmission/cr ankshaft maintenan ce and inspec tion must be performed after engine remo v ing fro m frame (S ec ti on 5 1.
• The crankcase must be separated to service the cr ankshaft and trans mi ssion components .
• The fo ll ow ing parts must be removed bef ore separating the crankcase.
- Cylinder head Section 6
-
Cylinder and piston Section 7
- Clutch Section 8
- Gearshift linkage
- Recoil starter
- Al ternator
- Cam chain tensioner
S PE C IFI CATIONS
IT EM
Section 8
Section 9
Section 9
Sec tion 9
STANDARD
Transmission Ge ar 1.0. M2, M4 , C3
17.0 16 - 17 . 043 (0 . 6699 - 0.67 10)
e1 20.020 - 20.053 (O . 7882 - 0. 7895)
e1 bushing 1.0. 1 7.000 - 1 7 . 018 (0. 6693 - 0 .61001
C1 bus h ing 0 . 0.
19. 979-20.000 (0. 1866 - 0 . 1874)
Mainshaft 0.0 .
16 . 983 - 16. 994 10 . 6686 - 0 . 669 1)
Countershaft 0 .0 .
16 . 966 - 16 . 984 (0. 6680 - 0 . 6681)
Shift drum 0 .0 . 33 . 950 -3 3. 915 (1. 3366 - 1. 3376)
Sh ift f ork 1.0. 34 . 000 - 34.02511 . 3386 - 1. 3396 )
Shift fo rk craw th i ck ness 4. 86 - 4.94 (0. 191 - 0. 195)
Cran ks h aft Con necting rod big end
0. 10 - 0.35(0 . 00 4 - 0.0 14 )
side clearance
Con n ect i ng rod big end
0 - 0. 012 10 - 0 . 0005)
radial clearance
R unout
--
TOOLS
Co mmon
Attachment , 37 x 40 mm
Pi l ot , 17 mm
Driver
01746 - 00 1 0200
01746 - 0040400
01749 - 00 1 0000
Dr iver. 22 mm 1.0 .
Attachment , 20 mm 1.0.
TROUBLESHOOTING
Hard to shift
Improper clutch adj ustment
Be nt sh ift fork
Bent sh ift dr um stop per arm
Excess ive noi se
Excessive cranksh aft bearing play
•
Excessive con nect i ng r od big end bearing p lay
Tr an s mi ssion ju mp s out of ge ar
Worn gear dogs
Bent
shift forks
Broken
shift drum sto pper
m mlin)
SERVICE LIMIT
17. 1010 . 673)
20 .10 (0. 791)
11 . 04 (0. 61 1)
19.63 (0. 173 )
16.95 (0. 667)
16. 95 (0.667)
33 . 93 (1.336)
34. 071 1.3411
4.6 (0. 18 )
0.6 (0. 02)
0. 05 (0.<)Q2)
0.
1010 . 004)
01746-0020 1 00
07746 - 0020400
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Honda TRX70 Fourtrax 1986 Specifications

General

Brand	Honda
Model	TRX70 Fourtrax 1986
Category	Offroad Vehicle
Language	English