DF250SS 250HP

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SKU: WEBDF250SS Category:
Suzuki Repower by Mastry Engine Center

The Bass Boat V6: 250 HP on the Big-Block Platform

The Suzuki DF250SS is a 4028 cc V6 four-stroke outboard rated at 250 hp across a 5300-6300 rpm full-throttle operating range, the mechanical-control trim of Suzuki’s big-block V6, built for tournament bass boats. Suzuki builds it around a 55-degree V6 DOHC 24-valve powerhead shared with the DF300AP, an offset drive shaft with 2-stage gear reduction and Suzuki Lean Burn Control.

Powerful and efficient. The DF250SS puts the DF300AP’s 4028 cc 55-degree V6 DOHC 24-valve powerhead behind remote mechanical shift and throttle, tuned for hole shot and mid-range punch without the added weight or cost of digital controls — Suzuki’s own description calls it the first 250 hp V6 four-stroke built specifically for tournament bass boats. Suzuki Lean Burn Control leans the fuel mixture from low speed up into the cruising range for better fuel economy.

Easy to live with. An offset drive shaft with 2-stage gear reduction turns a large-diameter propeller for strong acceleration out of the hole, and O2 sensor feedback keeps the air-fuel ratio in check across the full rpm range. Every DF250SS comes with remote mechanical shift and throttle standard.

Built for saltwater. Suzuki’s Anti-Corrosion System applies a specially formulated finish directly to the outboard’s aluminum surface, which allows maximum bonding and helps protect the parts that are constantly exposed to saltwater. The DF250SS is offered in Matte Black.

  • DF300AP-derived 55-degree V6 DOHC 24-valve powerhead on remote mechanical control
  • Offset drive shaft with 2-stage gear reduction for a strong hole shot
  • Suzuki Lean Burn Control System for economy from low speed into the cruising range
  • O2 sensor feedback keeps the air-fuel ratio in check across the full rpm range
  • Recommended 89 octane fuel
  • Remote mechanical shift and throttle standard, 578 lb dry weight

Rigging. The DF250SS is rigged to order, remote mechanical control only, in Matte Black, with a 20 in or 25 in transom. Every DF250SS has electric start and power trim and tilt as standard. Contact your Mastry dealer for the right rigging for your transom.

Spec sheets

Brochures

Specification Value
Maximum output 250 hp
Full-throttle operating range 5300-6300 rpm
Configuration V6, 4-stroke, DOHC 24-valve (55-degree bank angle)
Valve train drive Chain (two-stage camshaft drive)
Displacement 245.6 cu. in / 4028 cc
Bore x stroke 3.81 in x 3.46 in / 98 mm x 89 mm
Fuel system Multi-point sequential electronic fuel injection with oxygen sensor feedback
Recommended fuel 89 octane
Ignition system Solid state direct ignition
Starting system Electric (Suzuki Start System)
Alternator 12 V, 54 A
Oil pan capacity 8.5 qt / 8.0 L
Dry weight 578 lb (20 in shaft) or 606 lb (25 in shaft)
Recommended transom height 20 in or 25 in
Engine mounting Shear mount
Trim method Power trim and tilt
Gear ratio 2.08:1
Gear shift F-N-R
Exhaust Through prop hub
Propeller selection 17 in to 30 in pitch
Steering and controls Remote mechanical control
Body color Matte Black
Repower Package Repower Package Plus Repower Package Premium
New outboard(s)      
New rigging tube and connections      
New propeller      
Water separator / fuel filter      
Engine oil      
Miscellaneous rigging supplies      
New controls    
New harness    
New standard gauges  
New steering  
New upgraded gauges  
New battery switch