Catalog/ Boats/ Yamaha/ Four Stroke
← Yamaha Four Stroke engines

Yamaha Four Stroke F70

All · 70 hp
Stage 1
OriginalAfter tuningDiff
Power hp70 80 +10
Torque Nm90 105 +15
Power gain
+14%
Torque gain
+17%
Ready to feel these +10 hp on the road?
Get your ready-to-flash Stage 1 file for the Yamaha Four Stroke
Order tuning file →
Stage 1 file from €160
Exact price depends on the ECU — confirmed when you upload the file
✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph
Original ECU files for Yamaha 814 stock (ORI) files · €20 per file →