To purchase parts for the 400BU (Engine Assembly RF059200):
- Reference the part needed from the parts diagram and refer to the parts list below.
- Copy the Part Number and paste it into the search window above to see availability and pricing.
- Confirm your parts selection and "Add To Cart".

Item | Part Number | Description | Qty | Item | Part Number | Description | Qty | |
1 | KA110607016 | GASKET, MUFFLER | 2 | 19 | NB2463 | SCREW, SET, 5/16” X 3/8” | 2 | |
2 | NB8130 | CLAMP, 3/4” | 1 | 20 | MP8310 | STUD, VELCRO | 4 | |
3 | MP044800 | ADAPTER, 1/8” NPT | 1 | 21 | MP455601 | BRACE, MUFFLER | 1 | |
4 | NB2460 | HOSE, VACUUM, 5/32” | 27” | 22 | NB068500 | BOLT, HEX, 1/4” X 3-1/2” | 2 | |
5 | NB2470 | HOSE, FUEL, 3/8” | 26’ | 23 | MP455900 | SPACER, 1/4” ID | 2 | |
6 | KA461DA0800 | WASHER, LOCK, M8 | 4 | 24 | NB3350 | WASHER, FLAT, 1/4” | 2 | |
7 | KA922107027 | NUT, HEX, M8 | 4 | 25 | MP035200 | FILTER, RECOIL | 1 | |
8 | NB7282 | CLAMP, HOSE | 1 | 26 | NB2460 | HOSE, VACUUM, 5/32” | 33” | |
9 | KA110137046 | PRECLEANER, AIR | 1 | 27 | KA110130752 | ELEMENT, FILTER, AIR | 1 | |
10 | MP019200 | SWITCH, PRESSURE, OIL | 1 | 28 | KA920702112 | PLUG, SPARK, NGK, BPR4ES | 2 | |
11 | NB6111 | WASHER, LOCK, 5/16” | 1 | 29 | KA490657007 | FILTER, OIL | 1 | |
12 | NB065000 | BOLT, HEX, M8 X 16 | 1 | 30 | NB9267 | WASHER, FLAT, 5/16” | 1 | |
13A | MP015200 | PLUG, SENSOR | 1 | With Optional Clutch | ||||
13B | MP466500 | SENSOR, OXYGEN | 1 | 31 | MP371700 | SPACER, 1.5 O.D. X 1.02 I.D. X .285 THK | 1 | |
14 | MP367200 | VALVE, DRAIN, OIL | 1 | 32 | MP4805 | SPACER, CLUTCH, BOTTOM, HUB BASE | 1 | |
15 | MP368700 | MUFFLER, W/O SHEILD | 1 | 33 | NB005800 | SCREW, HEX, 7/16-20 X 1 1/2 | 1 | |
16 | NB9545 | NUT, FLANGE, 1/4” | 2 | 34 | MP4787 | CLUTCH, ASM., MODEL 5215-63 | 1 | |
17 | MP367700 | PULLEY, 4.00” | 1 | 35 | MP4790 | TUBING, NORPRENE, CLUTCH ARM | 1 | |
18 | MP7802 | KEY, 1/4” X 1-1/2” | 1 |