Honda BF115A / BF130A service guide
Oil, gear oil, spark plugs and the service schedule for the Honda BF115A / BF130A (115 to 130 hp, four-stroke), from the factory service manual, plus how we service it in Hawaiʻi.
Models covered: BF115A and BF130A (codes BZBD, BZBG, BZBE, BZBH; types LD, LCD, XD, XCD); 4-stroke OHC 4 cylinder, 2,254 cm³, PGM-FI fuel injection.
Quick answers
- How much oil does a Honda BF115A / BF130A take?
- 5.6 L (5.9 US qt); 6.5 L (6.9 US qt) with filter.
- What engine oil does a Honda BF115A / BF130A use?
- SAE 10W-30/40; SAE 10W-30, API SG/SH.
- What gear oil does a Honda BF115A / BF130A use, and how much?
- Marine SAE 90 hypoid gear oil, API GL-4 or GL-5. Quantity: 1.0 L (1.1 US qt, 0.9 Imp qt).
- What spark plug does a Honda BF115A / BF130A use?
- NGK ZFR7F or Denso KJ22CR-L8, qty 4. Gap: 0.7 to 0.8 mm (0.028 to 0.031 in).
- How often should a Honda BF115A / BF130A be serviced?
- The factory schedule lists: First 20 hours or month; Every 100 hours or 6 months; Every 200 hours or year; Every 400 hours or 2 years. In Hawaiʻi's salt water we do a full yearly service every 200 hours or 1 year, whichever comes first, and a new engine needs its first (break-in) service.
- When should the water pump impeller be replaced on a Honda BF115A / BF130A?
- The factory schedule gives no replacement interval. In Hawaiʻi's warm salt water we replace it every 200 hours or 1 year, whichever comes first, because a worn impeller is the most common cause of overheating.
- What is the idle speed of a Honda BF115A / BF130A?
- 750 ± 50 r/min in neutral; trolling 650 ± 50 r/min.
- What is the propeller nut torque on a Honda BF115A / BF130A?
- 1 N·m (0.1 kgf·m), then tighten until the new 4.0 mm split pin fits, maximum 44 N·m (4.5 kgf·m, 33 lbf·ft).
Maintenance specs
| Engine oil | SAE 10W-30/40; SAE 10W-30, API SG/SH |
|---|---|
| Engine oil quantity | 5.6 L (5.9 US qt); 6.5 L (6.9 US qt) with filter |
| Oil filter | Hand tight until the seal touches, then 7/8 turn more with tool 07912-6110001; 21.6 N·m (2.2 kgf·m, 16 lbf·ft) |
| Engine oil drain plug | 23 N·m (2.3 kgf·m, 17 lbf·ft), new 12 mm washer; drain plug cover screw 6.4 N·m (4.7 lbf·ft) |
| Gear oil | Marine SAE 90 hypoid gear oil, API GL-4 or GL-5 |
| Gear oil quantity | 1.0 L (1.1 US qt, 0.9 Imp qt) |
| Gear oil drain and level bolts | 3.4 N·m (0.35 kgf·m, 2.5 lbf·ft) |
| Spark plug | NGK ZFR7F or Denso KJ22CR-L8, qty 4 |
| Spark plug gap | 0.7 to 0.8 mm (0.028 to 0.031 in) |
| Spark plug torque | 18 N·m (1.8 kgf·m, 13 lbf·ft) |
| Idle speed | 750 ± 50 r/min in neutral; trolling 650 ± 50 r/min |
| Thermostat | Starts opening 72 °C (162 °F); fully open 82 °C (180 °F); lift more than 3.0 mm (0.12 in) |
| Gear case anode nut | M6: 9.8 N·m (1.0 kgf·m, 7 lbf·ft). replace if corroded |
| Propeller castle nut (18 mm) | 1 N·m (0.1 kgf·m), then tighten until the new 4.0 mm split pin fits, maximum 44 N·m (4.5 kgf·m, 33 lbf·ft) |
| Valve clearance, cold | IN 0.24 to 0.28 mm; EX 0.28 to 0.32 mm; lock nut 20 N·m (2.0 kgf·m, 14 lbf·ft) |
| Timing and balancer belts | Automatic tensioners, adjusted together after valve clearance: adjusting nut 44 N·m (33 lbf·ft), bracket bolt 12 N·m (9 lbf·ft). Alternator belt: used 392 to 490 N, new 490 to 588 N; deflection at 98 N used 7.7 to 9.0 mm, new 6.7 to 7.7 mm |
Service schedule
The factory maintenance intervals, with what is replaced and what is checked at each. Rows marked Hawaiʻi are our shop's yearly service for salt water use.
First 20 hours or month
Replace: engine oil, oil drain plug gasket, gear case oil, gear case plug gaskets
Check: spark plugs
Every 100 hours or 6 months
Replace: engine oil, oil drain plug gasket, gear case plug gaskets, propeller cotter pin
Check: fuel filter, gear case oil
Every 200 hours or year
Replace: engine oil, oil filter, oil drain plug gasket, gear case oil, gear case plug gaskets, propeller cotter pin, water pump impeller
Check: spark plugs, fuel filter, thermostat
Every 400 hours or 2 years
Replace: engine oil, oil filter, oil drain plug gasket, fuel filter, gear case oil, gear case plug gaskets, propeller cotter pin, water pump impeller
Check: spark plugs, thermostat
We replace the water pump impeller at every service from 200 hours up, which can be sooner than the factory schedule, because of Hawaiʻi’s warm salt water.
Source: Honda BF115A/BF130A Shop Manual, part no. 66ZW500. Specs can change by model year and serial number, so always confirm your exact model from the serial tag on the clamp bracket.