Yamaha MM700A, Manual, Page: 205 / 282

DRIVE SYSTEM 199
i SPEEDS
Peak
Model speed rprn rpm range
4400-4800 8250-8750
3800-4200 8050-8550
4500-4900 8050-8550
3700-41 00 8050-8550
3800-4200 8250-8750
3900 8300
4000
Table DRIVE SPECIFICATIONS
Model Part Circumference New width Wear limit
$12.4 cm
(44.3
All other models (after
113.3 cm
(44.6 in.)
35.0 mm
(1.38 in.)
mm
(1 in.)
32.5 mm
(1.28
Table
3
PULLEY ALIGNMENT SPECIFICATIONS
Pulley center-to-center distance 267-270 mm (10.51-10.63 in.)
Pulley offset
18.5-21.5 mm in.)
All other models mm (0.53-0.65 in.)
Table 4 PRIMARY SHEAVE SPRING AFTER
Color code Yellow-White-Yellow
Outside diameter 60 mm (2.36 in.)
Wire diameter
6.0 (0.236 in.)
Preload 450 N (101
Spring rate 25 Nlmm (143
Number of coils 5.39
Free length 91.4 mm (3.6 in.)
Table 5 PRIMARY SHEAVE SPRING
Color code low-Green-Yellow
Outside diameter 60 mm (2.36
Wire diameter 5.8 mm in.)
Preload
392 N lb.)
400 N (90
342 N (77
Spring rate 24.5 (140
Number of coils 4.92
Free 89.4 mm (3.52 In.)
Table 6 PRIMARY SHEAVE
Color code Pink-Green-Pink
Outside diameter 60 mm (2.36 in.)
Wire diameter mm (0.23 in.)
Preload 400 N (90
Spring rate
30 Nlmm (171
Number of coils 4.92
Free length 89.4 mm (3.52 in.)