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I
I
2. Specifications
Length - X1: 50˝
X3: XX X5: XX
Width - X1: 24
1
⁄
4
˝
X3: XX X5: XX
Height - X1: 32
3
⁄
4
˝
X3: XX X5: XX
Wheelbase - X1: 34
3
⁄
8
˝ - 35
5
⁄
16
˝
X3: XX X5: XX
Seat height - X1: 24˝ X3: 28˝ X5: 32˝
Footpeg height - X1: 9
3
⁄
4
˝
X3: XX X5: XX
Ground clearance - X1: 8˝
X3: XX X5: XX
Wet weight (no fuel) - X1: 97lb.
X3: XX X5: XX
Fuel capacity, type - 1 gallon - 93 octane pump gas (must be mixed with premix oil)
Oil premix ratio - 40:1 mixture of fuel and Maxima K2 premix oil
Chain - Regina 415, 91 links (X1)
X3: XX X5: XX
Steering head angle - 20˚
Forks - conventional hydraulic, 5
1
⁄
2
˝ travel,
X1
: 160cc 10wt fork oil,
X3 & X5
: 180cc 10wt fork oil
Shock, gas charged mono-shock, adjustable preload, compression & rebound dampening -
shock springs specs, free length, XX kg/cm, Optional shock spring specs, free length, XX kg/cm,
5
1
⁄
2
˝ suspension travel ??
Engine type - single cylinder, 50cc case reed 2-stroke motor, liquid cooled
Bore & stroke - 40.2mm x 39.3mm
Compression ratio 14.5:1
Redline - 13,700 rpm
Transmission oil capacity - 10 oz. (300cc)
Coolant capacity - approx. 27oz. Engine Ice
®
antifreeze (dual radiator models)
Carburetor model - X1: Dell’Orto PHBG19, 19mm (X1 models sleeved to 14mm for AMA compliance) X3: 21mm, sleeved to
19mm
X5: XX
jet sizes - X1: main: 88, needle: W3 @ 2nd clip from top, needle jet: 262, pilot jet: 55, choke jet: 60, fuel metering screw: 2
1
⁄
2
turns
from bottomed.
X3: XX X5: XX
Float level - ???!!!
Clutch - Works: automatic centrifugal 3 shoe type, engagement rpm adjustable from 5000 to 7000 rpm Std: automatic 2 shoe clutch,
adjustable
Gear ratio - 12T front, 42T rear - Optional 13-14T front and 36-48T rear
Electrical system - Works: Selettra CDI P3356
Spark plug - NGK R5671A-11 or B9EV, gap .024”
Timing specification - 1.6mm BTDC
Wheels - 10” front & rear, straight pull spokes
Tires - Pirelli MT32A 2.50 x 10 @ 18psi
Brakes - Disc brakes front and rear with mechanical calipers, front brake hand lever, rear brake foot lever (works) or rear hand lever
(std)
Color - Blue & white
Fuel valve - Off position
choke knob
X1
idle screw
fuel metering
screw
Idle, fuel metering screw - X1
Choke knob - X1
lift &
1
⁄
8
turn to engage choke
Idle, fuel metering screw
X3 & X5
idle
screw
fuel
metering
screw
II
II
.3
.3
II
II
.4
.4
II
II
.5
.5
II
II
.6
.6
choke
cho
ke
II
II
.5
.5
II
II
.6
.6
II
II
.4
.4
II
II
.3
.3
ON
OFF
