Honda Cross Cub 110 Spoke (JA45) — OEM Fluid, Tire Pressure & Maintenance Specs
109cc Air-Cooled Horizontal Single SOHC 2V 4-Speed Semi-Auto · Source: Honda Cross Cub 110 Spoke (JA45) (2018–2021) Official Owner’s Manual Maintenance Specifications
According to the Honda Cross Cub 110 Spoke (JA45) (2018–2021) Official Owner’s Manual Maintenance Specifications, the 2018–2021 Honda Cross Cub 110 Spoke (JA45) (chassis JA45) requires 0.8 L (0.85 US qt) of SAE 10W-30 (JASO MA, API SJ or higher) engine oil for a drain-only change and 0.85 L (0.90 US qt) with filter service (15412-MGS-D21 / HF117). Standard solo cold tire pressure is 200 kPa / 2.00 bar / 29 PSI front (80/90-17 M/C 44P) and 225 kPa / 2.25 bar / 33 PSI rear (80/90-17 M/C 44P), paired with 1× NGK CPR7EA-9S / CPR6EA-9 spark plug(s) and a YTZ5S / YTX4L-BS battery.
Drain only: 0.8 L (0.85 US qt)
R 225 kPa (2.25 bar)
Est. Range: ~262 km (163 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Centrifugal Semi-Auto Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-30 (Alt: SAE 10W-40) · JASO MA · API SJ or higher |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 0.8 L (0.85 US qt) • With filter/strainer: 0.85 L (0.90 US qt) • Complete dry overhaul: 1 L (1.06 US qt) |
| OEM Oil Filter Code & Type | 15412-MGS-D21 / HF117 |
| Correct Oil Level Check Method | Hold upright on level ground; rest dipstick UNTHREADED on filler neck (do NOT screw in) |
| Oil Drain Bolt Torque | 24 N·m (17.7 lb-ft / 2.45 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 80/90-17 M/C 44P · Rear: 80/90-17 M/C 44P (Tube-Type Spoke Rim) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 225 kPa / 2.25 bar / 33 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 280 kPa / 2.80 bar / 41 PSI |
| OEM Spark Plug & Quantity | NGK CPR7EA-9S / CPR6EA-9 × 1 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTZ5S / YTX4L-BS (12V 3.5Ah MF AGM) |
| Final Drive Maintenance | 428 Drive Chain — Maintain 20–30 mm slack and lubricate regularly |
| Brake Fluid & Coolant | Mechanical Drum · Air/Oil-Cooled Engine (No liquid coolant) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 109 cc · 8 hp @ 7,500 rpm · 8.5 N·m (6.3 lb-ft) @ 5,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 784 mm (30.9 in) · 106 kg (234 lbs) |
| Fuel Tank & Est. Real-World Range | 4.3 L (1.1 US gal) · ~61 km/L → ~262 km (163 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 6,000 km / 12,000 km • Air Filter / Spark Plug: 16,000 km / 12,000 km • Valve Clearance Check: 8,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Legshield-free JA45 generation featuring a steel headlight guard, replaceable paper oil filter HF117, front/rear drum brakes, and 17-inch tube-type wire-spoked wheels.
Oil & Clutch Mechanical Engineering Note
Honda horizontal underbone with wet centrifugal semi-auto 4-speed clutch—strictly requires JASO MA oil (never JASO MB scooter oil).