Suzuki RM-Z450 - Page 345

SERVICING INFORMATION 20-5
TRANSMISSION + DRIVE CHAIN
Unit: mm (in) Except ratio
INJECTOR + FUEL PUMP + FUEL PRESSURE REGULATOR
ITEM STANDARD LIMIT
Primary reduction ratio 2.625 (63/24) —
Final reduction ratio 3.846 (50/13) —
Gear ratios Low 1.800 (27/15) —
2nd 1.471 (25/17) —
3rd 1.235 (21/17) —
4rh 1.050 (21/20) —
Top 0.909 (20/22) —
Shift fork to groove clearance
No.1, 2, 3
0.1 – 0.3
(0.004 – 0.012)
0.5
(0.02)
Shift fork groove width
No.1, 2, 3
5.0 – 5.1
(0.197 – 0.201)
—
Shift fork thickness
No.1, 2, 3
4.8 – 4.9
(0.189 – 0.193)
—
Drive chain Type DID 520 MXV —
Links 114 —
Drive chain plate height
Inner 15.0 (0.59)
12.75
(0.502)
Outer 12.8 (0.50)
11.20
(0.441)
Drive chain slack 40 – 50
(1.6 – 2.0)
—
ITEM SPECIFICATION NOTE
Injector resistance 9.5 – 11.5 Ω at 20 °C (68 °F)
Fuel pump discharge amount 98 ml (3.3/ 3.5 US/lmp oz) and more
/10 sec.
Fuel pressure regulator operating
set pressure
Approx. 294 kPa (2.94 kgf/cm², 41.81 psi)