| 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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