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Mash Seventy - Transmission + Drive Chain

Mash Seventy
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Chapter 8 Information service Section 4 Service data
8-22
TRANSMISSION + DRIVE CHAIN
Unit:mm
ITEM STANDARD LIMIT
Primary reduction ratio
347059/17
———
Final stage reduction ratio
300045/15
———
Gear ratio
1st
300033/11
———
2nd
185726/14
———
3rd
136826/19
———
4th
109523/21
———
5th
091321/23
———
Shift fork to groove clearance
010—030
050
Shift fork groove width
NO.1 & NO.2
50—51
———
NO.3
53—56
———
Shift fork thickness
NO.1 & NO.2
48—49
———
NO.3
53—56
———
Intermediate shaft length (as low as second)
880
0
3465
0
———
-0.2 -0.0008
Drive chain
Type
428H /428UO
———
Links
126L
———
20-pitch
length
20
———
2590
Drive chain slack
5—15
———

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