| |
50
SX
|
65
SX
|
85
SX
|
|
(19/16)
|
(17/14)
|
| MSRP |
$3,598 |
$3,748 |
$4,298 |
| Engine |
| Engine
Type |
single
cylinder, 2-stroke |
| Displacement |
49
cc |
64.9
cc |
84.9
cc |
| Bore
/ stroke |
39.5
/ 40 mm (1.55 x 1.57") |
45
/ 40.8 mm (1.77 / 1.61") |
47
/ 48.95 mm (1.85 / 1.93") |
| Starter |
Kick-starter |
| Gear
box |
single
gear automatic |
6
Speed |
| Carburetor |
Dell'Orto
PHVA 14DS |
Mikuni
VM 24 |
Keihin
PWK 28 |
| Engine
lubrication |
mixture
lubrication 1:60 |
mixture
lubrication 1:40 |
| Transmission
lubrication |
0,15-
0,2 l Motorex ATF Super |
0,3
l Motorex Topspeed 15W50 |
0,5
l Motorex Topspeed 4T |
| Primary
ratio |
16:57 |
1.010416667 |
0.8375 |
| Final
drive |
11:48 |
14:50 |
14:49 |
14:46 |
| Cooling |
liquid
cooled |
| Clutch |
centrifugal
clutch (adjustable) |
wet
multi-disc clutch, operated hydraulically |
| Ignition |
Seletra
analogue |
Moric
digital 2M1 |
| Chassis |
| Frame |
central
double-cradle-type frame |
chromium
molybdenum central-type frame |
chromium
molybdenum |
| Subframe |
Steel |
Aluminum |
Aluminum |
| Handlebar |
Aluminum
? 22 mm (0.87") |
Aluminum
? 22 mm (0.87") |
Alu
? 22 mm (0.87") |
| Front
suspension |
Marzocchi
? 32 mm (1.26") |
Marzocchi
USD ? 35 mm (1.38") |
WP
USD ? 43 mm (1.69") |
| Rear
suspension |
WP
monoshock |
WP
monoshock |
WP
monoshock PDS |
| Suspension
travel front / rear |
140/205
mm (5.51/8.07") |
220/270
mm (8.66/10.63") |
275/300
mm (10.83/11.81") |
| Front
brake |
disc
brake ? 160 mm (6.3") |
disc
brake ? 200 mm (7.87") |
disc
brake ? 220 mm (8.66") |
| Rear
brake |
drum
brake ? 90 mm (3.54") |
disc
brake ? 160 mm (6.3") |
disc
brake ? 200 mm (7.87") |
| Front
/ rear rim |
1.6
x 10"; 1.6 x 10" Alu |
1.6
x 14"; 1.6 x 12" Alu |
1.6
x 19"; 1.85 x 16" Alu |
1.4
x 17"; 1.6 x 14" Alu |
| Front
/ rear tire |
2.50
x 10"
2.75 x 10" |
60/100-14"
80/100-12" |
70/100
|
| 19" |
17" |
|
90/100
|
| 16" |
14" |
| Chain |
1/2
x 3/16" 96 R |
1/2
x 1/4" 112 R |
1/2
x 5/16" 124 R |
| Main
silencer |
Aluminum |
| Steering
head angle |
66? |
64.5? |
66? |
| Wheel
base |
910
mm (35.83") |
1137
mm (44.76") |
1290
mm (50.79") |
| Ground
clearance (unloaded) |
220
mm (8.66") |
290
mm (11.42") |
415
mm (16.34") |
385
mm (15.16") |
| Seat
height |
585/610
mm (adjustable) (23.03/24.02") |
750
mm (29.53") |
approx.
900 mm (35.43") |
approx.
865 mm (34.03") |
| Fuel
capacity |
approx.
1.8 liters (0.48 gal) |
approx.
3.3 liters (0.87 gal) |
approx.
5 liters (1.32 gal) |
| Weight
(ready to race, no fuel) |
approx.
37.6 kg (82.91 lbs) |
approx.
55.6 kg (122.6 lbs) |
approx.
68 kg (129.94 lbs) |
approx.
66 kg (145.50 lbs) |
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