Fitment-first matching
CF-18421N is prepared for starter motor sourcing with Part No, OE, Lester number, and application records checked together.

Starter Motors
CF-18421N starter motor for Yamaha EXS1200 Exciter, Yamaha EXT1100 Exciter 220, Yamaha EXT1100 Exciter and related applications (0.65kW / 9T / 12V).
| Voltage | 12V |
|---|---|
| Teeth | 9T |
| Rotation | CW |
| Power | 0.65kW |
| Starter Type | PMDD |
| Part No | CF-18421N |
|---|---|
| MFR | MITSUBA |
| Part Type | Starter |
| Lester Numbers | |
|---|---|
| Mercury Marine | |
| Original Reference Number | |
| Yamaha |
Starter motors are checked around electrical output, rotation, pinion teeth, housing design, and OE replacement references before quotation.
CF-18421N is prepared for starter motor sourcing with Part No, OE, Lester number, and application records checked together.
Core specifications such as voltage, power or amperage, rotation, teeth, and design are reviewed before sample or bulk quotation.
MFR MITSUBA and replacement references including 18421 help buyers compare existing units and reduce wrong-part risk.
Share target quantity, destination, sample need, and packaging requirement so Crankvia can confirm the practical supply path.
Application records are provided as compatibility references. Confirm OE number, vehicle configuration, engine, and market version before final ordering.
Part No
CF-18421N
Records
24
Makes
1
Models
23
Year range
1995-2009
| Make | Model | Engine | Year | Note |
|---|---|---|---|---|
| Yamaha | EXS1200 Exciter | 1998-1999 | - | |
| Yamaha | EXT1100 Exciter 220 | 1998 | - | |
| Yamaha | EXT1100 Exciter | 1996-1997 | - | |
| Yamaha | EXT1100 Exciter | 1998 | - | |
| Yamaha | EXT1200 Exciter 270 | 1999 | - | |
| Yamaha | EXT1200 Exciter Twin | 1998 | - | |
| Yamaha | EXT1200 Exciter | 1998-1999 | - | |
| Yamaha | GP1200 WaveRunner GP1200 | 1176cc | 1997-2002 | - |
| Yamaha | GP1300 WaveRunner GP1300R | 1297cc | 2003-2008 | - |
| Yamaha | GP800 WaveRunner GP800 | 800cc | 1998-2000 | - |
| Yamaha | GP800A WaveRunner GP800R | 800cc | 2001-2005 | - |
| Yamaha | LST1200 LS2000 | 1999-2003 | - | |
| Yamaha | LST1200 | 1999-2005 | - | |
| Yamaha | RA1100 WaveRaider 1100 | 1052cc | 1995-1996 | - |
| Yamaha | SV1200 WaveRunner SUV1200 | 1176cc | 1999-2004 | - |
| Yamaha | WVT1100 WaveVenture 1100 | 1052cc | 1996-1997 | - |
| Yamaha | XA1200 WaveRunner XL12 LTD | 1176cc | 1999-2000 | - |
| Yamaha | XA1200 WaveRunner XLT1200 | 1176cc | 2009 | - |
| Yamaha | XA1200A WaveRunner XLT1200 | 1176cc | 2001-2005 | - |
| Yamaha | XA800 WaveRunner XL800 | 784cc | 2000-2001 | - |
| Yamaha | XA800A WaveRunner XLT800 | 784cc | 2002-2004 | - |
| Yamaha | XL1200 WaveRunner XL1200 | 1176cc | 1998 | - |
| Yamaha | XRT1200 XR1800 | 2000-2001 | - | |
| Yamaha | XRT1200 | 2000-2001 | - |
Use these checks together with the application table before final ordering.
Compare Part No, OE numbers, Lester Numbers, the application records, and the spec table. The page is organized around Yamaha EXS1200 Exciter, Yamaha EXT1100 Exciter 220, Yamaha EXT1100 Exciter and related applications.
Start with Voltage: 12V, Power: 0.65kW, Teeth: 9T, Rotation: CW, then cross-check OE numbers Mercury Marine 8M6007434, Original Reference Number 503SB402, 503SB406, Yamaha 63M-81800-00.
Share label photos, drive-end and connector shots, and any partial number or Lester Numbers 18421. That usually narrows the match quickly.

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