Helix Specs: |
Dimensions |
Overall length |
89.2 in |
Overall Width |
29.3 in |
Overall Height |
53.3 in |
Wheel Base |
63.8 in |
Ground Clearance |
5.9 in |
Dry Weight |
(Before 91) 342 lbs (After 91) 349 lbs |
Curb Weight |
370 lbs |
Frame |
Type |
Backbone |
Front Suspension, travel |
Bottom Link, 3.2 in |
Rear Suspension, travel |
Power unit swing arm, 3.8 in |
Vehicle load capacity |
350 lbs |
Front Tire size |
110/100-12 67J, Tubeless |
Rear Tire size |
120/90-10 65J, Tubeless |
Fuel Capacity |
3.18 US Gal |
Tire Pressure |
Up to 200 lbs load |
Front 24 PSI |
Rear 28 PSI |
Up to load capacity |
Front 24 PSI |
Rear 32 PSI |
Engine |
Type |
Water Cooled 4 stroke, OHC engine |
Cylinder arrangement |
Single cylinder |
Bore and Stoke |
2.83 x 2.36 in |
Displacement |
244 cc ( 14.9 cu-in ) |
Compression Ratio |
10.0 : 1 |
Engine oil capacity (initial) |
1.06 US Qt. |
Engine oil capacity (after change) |
.85 US Qt |
Lubrication System |
Forced pressure and wet sump |
Coolant capacity ( Engine and radiator) |
1.5 US Qt |
Coolant capacity (Reserve Tank) |
.42 US Qt |
Coolant capacity (Total) |
1.93 US Qt |
Air Filtration |
Paper filter |
Cylinder compression at 600 RPM |
213 PSI |
Valve timing Intake opens |
5 degrees BTDC at 1mm lift |
Valve timing Intake closes |
30 degrees ABDC at 1mm lift |
Valve timing Exhaust opens |
40 degrees BBDC at 1mm lift |
Valve timing Exhaust closes |
0 degrees ATDC at 1mm lift |
Valve clearance (cold) |
0.003-0.005 in |
Engine Weight |
72.8 lbs |
Idle Speed |
1,500 (+ _ ) 100rpm |
Carburation |
ID Number ('86-'87) |
VE14A (VE15A for CA Types) |
ID Number (after '91) |
VE43A |
Main Jet Number |
#110 |
Slow Jet Number |
#38 |
Float Level |
.73 in |
Drive Train |
Clutch Type |
Dry, auto-centrifugal clutch |
Primary reduction |
V-matic |
Gear Ratio |
2.1-0.88 |
Final Reduction |
6.607 |
Electrical |
Ignition System |
Condenser Capacitive Discharge Ignition (CDI) |
Starting System |
Starter Motor |
Alternator |
AC generator 12V 240 W/5,000 rpm |
Sparkplug (standard) |
(NIPPONDENSO) X20EPR-U9 |
(NGK) DPR6EA-9 |
Sparkplug (cold climate) (below 41 degrees F) |
(NIPPONDENSO) X16EPR-U9 |
(NGK) DPR5EA-9 |
Sparkplug ( extended high speed) |
(NIPPONDENSO) X22EPR-U9 |
(NGK) DPR7EA-9 |
Spark plug gap |
.032-.035 in |
Ignition timing ( "F" mark) |
12 degrees BTDC at idle |
Battery Capacity |
12V - 10 AH |
Fuse - Main |
20 A |
Fuse Block #2 |
Fuse - Cooling Fan Motor |
5 A |
Fuse Block #4 |
Fuse - Headlight, Taillight, marker |
10 A |
Fuse Block #5 |
Clock, Accessories |
5 A |
Fuse Block #3 |
Horn,Turn,Brke,Instrument |
10 A |
Fuse Block #1 |
Fuel Pump, Starter, Charge |
5 A |
Lights |
Instrument Light |
12V 3.4W (x2) 12V 1.7 W (x2) |
Side Stand Indicator ( After 91 ) |
12V 3.4 W |
Tail Brake Light |
12V 8/27 W |
Headlight High/Low |
12V 60/55 W |
Rear Turn Signal Lamps |
12V 23 W (x2) |
Front Marker and Turn Signal Light |
12V 8/23 W (x2) |
Turn Signal Indicators |
12V 3.4 W (x2) |
High Beam Indicator |
12V 3.4 W |
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