Specifications
Ratings spec sheet not in our library yet — see the documents below.
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Check (replace) air cleaner | — | 250 hr | find | |
| Fuel filter | Check primary fuel filter | — | 600 hr | find | |
| Oil filter | Change lube oil filter | — | 50 hr | find | |
| Belt | Check V-belt condition | — | 250 hr | find | |
| Coolant filter | Check cooling water level | — | 600 hr | find | |
| Oil | Change engine oil | — | 50 hr |
Parts
84| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 01010-61650 | Bolt M16 x 50 mm | 6 | Bolt | PartsGeek |
| 01010-61660 | Bolt M16 x 60 mm | 2 | Bolt | PartsGeek |
| 01010-81050 | Bolt M10 x 50 mm | 2 | Bolt | PartsGeek |
| 01050-31645 | Bolt M16 x 45 mm | 6 | Bolt | PartsGeek |
| 01051-51635 | Bolt | 5 | Bolt | PartsGeek |
| 01051-61640 | Bolt | 1 | Bolt | PartsGeek |
| 01435-00816 | Bolt | 6 | Bolt | PartsGeek |
| 01643-31645 | Washer | 6 | Washer | PartsGeek |
| 02400-10413 | Dowel Pin | 2 | Dowel pin | PartsGeek |
| 040126210 | Plate, complete | 1 | Plate | PartsGeek |
| 04020-00514 | Dowel Pin | 2 | Dowel pin | PartsGeek |
| 04020-00820 | Dowel Pin | 12 | Dowel pin | PartsGeek |
| 04020-01228 | Dowel Pin | 1 | Dowel pin | PartsGeek |
| 04025-00408 | Spring Pin | 6 | Spring pin | PartsGeek |
| 04025-00512 | Spring Pin | 1 | Spring pin | PartsGeek |
| 04065-04818 | Snap Ring | 12 | Snap ring | PartsGeek |
| 07000-72022 | O-ring | 1 | O ring | PartsGeek |
| 07002-22434 | O-ring | 1 | O ring | PartsGeek |
| 07002-23034 | O-ring | 1 | O ring | PartsGeek |
| 07040-12414 | Plug | 1 | Plug | PartsGeek |
| 07040-13016 | Plug | 1 | Plug | PartsGeek |
| 07043-00617 | Plug | 3 | Plug | PartsGeek |
| 07043-70108 | Plug | 8 | Plug | PartsGeek |
| 07043-70211 | Plug | 3 | Plug | PartsGeek |
| 07046-43016 | Plug | 3 | Plug | PartsGeek |
| 07046-43516 | Plug | 3 | Plug | PartsGeek |
| 07046-44016 | Plug | 1 | Plug | PartsGeek |
| 6150-21-1210 | Main Bearing Cap | 6 | Main bearing cap | PartsGeek |
| 6150-21-1250 | Main Bearing Cap | 1 | Main bearing cap | PartsGeek |
| 6150-21-1490 | Camshaft Bushing | 7 | Camshaft bushing | PartsGeek |
| 6150-21-1710 | Bolt | 14 | Bolt | PartsGeek |
| 6150-21-2230 | Lower O-ring | 6 | O ring | PartsGeek |
| 6150-21-2240 | Upper O-ring | 6 | O ring | PartsGeek |
| 6150-21-2250 | Crevice Seal | 6 | Crevice seal | PartsGeek |
| 6150-21-4770 | Dowel Pin | 2 | Dowel pin | PartsGeek |
| 6150-21-5420 | Cam Follower Cover Assembly | 1 | Cam follower cover | PartsGeek |
| 6150-21-5920 | Collar | 1 | Collar | PartsGeek |
| 6150-21-5930 | Nut | 1 | Nut | PartsGeek |
| 6150-21-8000 | Main Bearing Set - Standard | 1 | Main bearing set | PartsGeek |
| 6150-21-8010 | Main Bearing - Standard | 7 | Main bearing | PartsGeek |
| 6150-21-8050 | Thrust Bearing - Standard | 1 | Thrust bearing | PartsGeek |
| 6150-22-6430 | Cam Follower Cover (with breather outlet) | 2 | Cam follower cover | PartsGeek |
| 6150-26-8010 | Main Bearing - Undersize, 1.00 mm | 7 | Main bearing | PartsGeek |
| 6150-26-8050 | Thrust Bearing - Oversize, 1.00 mm | 1 | Thrust bearing | PartsGeek |
| 6150-27-8010 | Main Bearing - Undersize, 0.75 mm | 7 | Main bearing | PartsGeek |
| 6150-27-8050 | Thrust Bearing - Oversize, 0.75 mm | 1 | Thrust bearing | PartsGeek |
| 6150-28-8010 | Main Bearing - Undersize, 0.50 mm | 7 | Main bearing | PartsGeek |
| 6150-28-8050 | Thrust Bearing - Oversize, 0.50 mm | 1 | Thrust bearing | PartsGeek |
| 6150-29-8010 | Main Bearing - Undersize, 0.25 mm | 7 | Main bearing | PartsGeek |
| 6150-29-8050 | Thrust Bearing - Oversize, 0.25 mm | 1 | Thrust bearing | PartsGeek |
| 6150-31-1130 | Key | 1 | Key | PartsGeek |
| 6150-31-1351 | Ring Gear (148 teeth) | 1 | Ring gear | PartsGeek |
| 6150-31-1810 | Washer | 1 | Washer | PartsGeek |
| 6150-31-3310 | Bolt | 2 | Bolt | PartsGeek |
| 6150-35-1120 | Gear | 1 | Gear | PartsGeek |
| 6150-41-2430 | Pin | 12 | Pin | PartsGeek |
| 6150-41-2440 | Pin | 2 | Pin | PartsGeek |
| 6151-21-1100 | Cylinder Block Assembly (includes keys 1-48) | 1 | Cylinder block | PartsGeek |
| 6151-22-2220 | Cylinder Liner | 6 | Cylinder liner | PartsGeek |
| 6151-31-1110 | Crankshaft | 1 | Crankshaft | PartsGeek FridayParts $1560.79 |
| 6151-31-2410 | Piston Pin | 6 | Piston pin | PartsGeek |
| 6151-31-3050 | Connecting Rod Bearing - Standard | 6 | Connecting rod bearing | PartsGeek |
| 6151-31-8300 | Damper | 1 | Damper | PartsGeek |
| 6151-35-1010 | Crankshaft Assembly | 1 | Crankshaft assy | PartsGeek yemparts $1394.35 |
| 6151-36-3050 | Bearing Assembly - Undersize, 1.00 mm | 6 | Bearing | PartsGeek |
| 6151-37-3050 | Bearing Assembly - Undersize, 0.75 mm | 6 | Bearing | PartsGeek |
| 6151-38-3050 | Bearing Assembly - Undersize, 0.50 mm | 6 | Bearing | PartsGeek |
| 6151-39-3050 | Bearing Assembly - Undersize, 0.25 mm | 6 | Bearing | PartsGeek |
| 6154-21-1810 | Piston Cooling Nozzle | 6 | Piston cooling nozzle | PartsGeek |
| 6154-21-1981 | Plug | 1 | Plug | PartsGeek |
| 6156-31-4610 | Dowel Pin | 1 | Dowel pin | PartsGeek |
| 6207-21-5340 | Dipstick | 1 | Dipstick | PartsGeek |
| 6210-21-6471 | Bolt | 9 | Bolt | PartsGeek |
| 6251-21-6450 | Gasket | 3 | Gasket | PartsGeek |
| 6251-21-6500 | Cam Follower Cover (with oil fill) | 1 | Cam follower cover | PartsGeek |
| 6251-31-1590 | Pulley, Non-hardening | 1 | Pulley | PartsGeek |
| 6251-31-1630 | Flywheel Assy SAE #14 (includes key #16) | 1 | Flywheel assy | PartsGeek |
| 6251-31-2030 | Piston Ring Set | 6 | Piston ring set | PartsGeek |
| 6251-31-2510 | Piston | 6 | Piston | PartsGeek FridayParts $697.58 |
| 6251-31-3100 | Connecting Rod Assembly (includes keys #6 - #8) | 6 | Connecting rod assy | PartsGeek |
| 6251-31-3130 | Bushing | 1 | Bushing | PartsGeek |
| 6150-21-5910 | Bushing | 1 | Service part / kit | PartsGeek |
| OL6125 | 1 | Service part / kit | PartsGeek | |
| P6125 | Parts Catalog | - | Service part / kit | PartsGeek |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Engine spec — L6125H (Northern Lights)Engine spec — L6125 curves (Northern Lights)Engine spec — L6125 specs (Northern Lights)Operator's manual — OL6125 (Northern Lights)Parts manual — P6125H (Northern Lights)