Genuine Tohatsu B7HS-10 Spark Plug 9.9-50HP 2-Stroke P-B7HS-10
P-B7HS-10
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Genuine Tohatsu-supplied B7HS-10 spark plug for selected 9.9 to 50HP two-stroke outboard engines. Designed for routine ignition maintenance, this is a direct plug-code replacement where B7HS-10 is specified. Always verify the exact plug code for the engine model and year before ordering.
Key Features
- Genuine Tohatsu service item
- NGK B7HS-10 plug specification
- Non-resistor spark plug for selected two-stroke outboards
- Suitable for routine servicing or replacement
- Supplied as one spark plug
Technical Specs
| Product type | Marine spark plug |
|---|---|
| Plug code | B7HS-10 |
| Thread diameter | 14 mm |
| Thread reach | 12.7 mm |
| Hex size | 20.8 mm |
| Specified gap | 1.0 mm |
| Engine type | Two-stroke outboard |
| Quantity | 1 |
Compatibility / Fitment Guide
Catalogued for selected Tohatsu 9.9 to 50HP two-stroke outboards. Known applications include model families such as M9.9B2, M15B2, M18, M25, M30 and selected 40/50HP engines. Fitment varies by model suffix and production year; confirm B7HS-10 in the owner’s manual or on the removed plug.
OEM Cross Reference
- Tohatsu catalogue / supplier reference: P-B7HS-10
- Spark plug type: NGK B7HS-10
- NGK stock number: 2129
Questions & Answers
Is this supplied individually?
Yes. The listing is for one spark plug.
Does it fit all 9.9 to 50HP Tohatsu engines?
No. It is for selected two-stroke applications. Four-stroke models and some model years require a different plug.
Can I replace B7HS-10 with BR7HS-10?
BR7HS-10 is the resistor version. Use only the plug type specified by Tohatsu for your exact engine.
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