use and maintenance
MX 125
86
TRANSMISSION
Type .............................................................
mechanical, 6 gears with foot control on the left side of the engine
GEAR RATIOS
Ratio
Primary
Secondary
1
st
19/63 = 1 : 3.315
10 / 30 = 1: 3.000
2
nd
14 / 29 = 1: 2.071
3
rd
17 / 27 = 1: 1.588
4
th
19 / 25 = 1: 1.316
5
th
21 / 23 = 1: 1.095
6
th
22 / 21 = 1: 0.954
Final ratio
Total ratio
16 / 45 = 1 : 2.81
R1 x R2 x R3 = 1 : 27.976
R1 x R2 x R3 = 1 : 19.317
R1 x R2 x R3 = 1 : 14.81
R1 x R2 x R3 = 1 : 12.270
R1 x R2 x R3 = 1 : 10.213
R1 x R2 x R3 = 1 : 8.901
CARBURETTORS
Number.........................................................
1
Model............................................................
DELL»ORTO PHBH 28
FUEL SUPPLY
Fuel ..............................................................
unleaded petrol according to the DIN 51607 standard, min. O.N. 95
(N.O.R.M.) and 85 (N.O.M.M.)
FRAME
Type .............................................................
One-beam with two cradles in high-resistance steel tubes
Steering inclination angle .............................
28°
Fore stroke ...................................................
127 mm
SUSPENSIONS
Front .............................................................
Upside down Æ40
Stroke ...........................................................
260 mm
Rear..............................................................
G
as-filled monoshock
Stroke ...........................................................
280 mm
BRAKES
Front .............................................................
Disc brake - Æ 320 mm - with hydraulic transmission
Rear..............................................................
Disc brake - Æ 220 mm - with hydraulic transmission
WHEEL RIMS
Type .............................................................
Spoke aluminium
Front .............................................................
3,00 x 17
∆
Rear..............................................................
4,25 x 17
∆
MX125_UK.book Page 86 Wednesday, October 15, 2003 11:24 AM