EXPLODED PARTS DIAGRAM
Tohatsu MFS8 / MFS9.9 Internal engine and cylinder head parts Exploded Diagram
Parts schedule
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Related diagrams and guides
Internal Engine and Cylinder Head Parts shown in this diagram
The source is headed Tohatsu MFS8 / MFS9.9 and covers crankcase, crankshaft, connecting rod, piston, cylinder head, valves and timing belt. The heading defines the route to this figure; it does not make every scheduled item interchangeable across every version.
Internal-engine checks
Match pistons, pins, rings, bearings and connecting components by the exact callout and printed reference. Horsepower or visual similarity alone is not enough.
How to use this Tohatsu diagram and schedule
- Record the complete Tohatsu model designation and serial details.
- Locate the component and note its numbered callout.
- Match that callout to the supplier and OEM references in the schedule.
- Apply every model, size, shaft, quantity and configuration note on the row.
- Compare the selected replacement with the removed part before installation.
Application and reference limits
The figure and schedule are headed MFS8 and MFS9.9. They cover a broad four-stroke powerhead assembly, so use the exact callout and printed reference rather than treating every scheduled component as interchangeable.
An OEM number is an identification cross-reference, not proof that every row fits every outboard named in the page heading. The exact row, model and reference control selection.
Continue with the Tohatsu outboard parts hub, Tohatsu model and gearcase reference guide, Tohatsu outboard service guide, complete exploded diagram library or TMP Global Parts Finder.
