New Lower Unit Gearcase Seal Kit Compatible With 2000-2006 Suzuki Df25 Df30 Df25y-K6 Df30y-K6 25

JOHNSON / EVINRUDE / SUZUKI 25-30HP LOWER UNIT GEARCASE SEAL KIT — Comprehensive Service Kit (1988-2007):

REBADGED ENGINE CONTEXT:
• Johnson/Evinrude 25/30HP 4-Stroke Outboards (2000-2007) Are Rebadged Suzuki Engines
• Same Physical Engine Sold Under Both Brand Names
• This Kit Fits Both Suzuki Original AND Johnson/Evinrude Rebadged Versions
• 2-Stroke OMC-Built Johnson/Evinrude Use Different Kit

SUZUKI DT 2-STROKE APPLICATIONS:
• Suzuki DT25 25 HP 3-Cyl 2.440" Bore 2-Stroke Outboard (1989-2000)
• Suzuki DT25C 25 HP 3-Cyl 2.440" Bore 2-Stroke Outboard (1989-1996)
• Suzuki DT30 30 HP 3-Cyl 2.440" Bore 2-Stroke Outboard (1988-1995)
• Suzuki DT30C 30 HP 3-Cyl 2.440" Bore 2-Stroke Outboard (1988-1997)

SUZUKI DF 4-STROKE APPLICATIONS:
• Suzuki DF25 25 HP 3-Cyl 4-Stroke Outboard (2000-2006)
• Suzuki DF30 30 HP 3-Cyl 4-Stroke Outboard (2000-2006)
• Suzuki DF25Y-K6 25 HP 4-Stroke Outboard (2000-2006)
• Suzuki DF30Y-K6 30 HP 4-Stroke Outboard (2000-2006)

JOHNSON / EVINRUDE 4-STROKE APPLICATIONS (Rebadged Suzuki Engines):
• Johnson E25 25 HP 4-Stroke Outboard (2000-2007)
• Johnson J25 25 HP 4-Stroke Outboard (2000-2007)
• Johnson E30 30 HP 4-Stroke Outboard (2000-2007)
• Johnson J30 30 HP 4-Stroke Outboard (2000-2007)
• Evinrude 25 HP 4-Stroke Outboard (2000-2001, 2005-2006)
• Evinrude 30 HP 4-Stroke Outboard (2000-2001, 2005-2007)

⚠️ NOT COMPATIBLE WITH:
• Suzuki DF25 V-Twin (Use 25700-95J00 — Different Kit)
• Suzuki DF25A / DF30A V-Twin Newer Models (Use Different Kit)
• Suzuki DF25R / DF25RS V-Twin Variants 2006-2010 (Use 25700-95J00)
• 2-Stroke OMC-Built Johnson/Evinrude 25-30HP (Different Engine Architecture)
• Suzuki DT2-22 HP Smaller Outboards
• Suzuki DT40+ HP Larger Outboards (Use 25700-88L03)

SPECIFICATIONS:
• Type: Lower Unit Gearcase Seal Kit (Comprehensive)
• Application: Suzuki 25/30HP DT and DF Outboards
• Application: Johnson/Evinrude 25/30HP 4-Stroke (Rebadged Suzuki)
• HP Range: 25 HP and 30 HP
• Year Coverage: 1988-2007
• Cylinder Configuration: 3-Cylinder
• Includes: Gasket, O-Rings, Oil Seals, Drain Plug Gasket, Boot, Shift Rod Guide
• Material: High-Quality Marine Seal Materials
• Function: Complete Lower Unit Seal Replacement
• Condition: New

OEM PART NUMBERS:
• Suzuki: 25700-95D00 (Earlier OEM)
• Suzuki: 25700-95D01 (Later OEM)
• Suzuki: 25700-95D02 (Newer OEM)
• Suzuki: 25700-95D03 (Current OEM Supersession)
• Johnson/Evinrude/OMC: 5032167 (OEM)
• Johnson/Evinrude/OMC: 5036040 (Cross-Reference)

OEM SUPERSESSION CHAIN (Suzuki):
• 25700-95D00 → 25700-95D01 → 25700-95D02 → 25700-95D03

KIT CONTENTS:
• Lower Unit Gearcase Gasket
• Multiple O-Rings (Various Sizes / Positions)
• Oil Seals (Prop Shaft and Drive Shaft Positions)
• Drain Plug Gasket
• Boot
• Shift Rod Guide

WHEN TO USE THIS KIT:
• Lower Unit Complete Rebuild
• Annual Lower Unit Service Interval
• Water in Gear Oil (White / Milky Appearance)
• Gear Oil Leaking from Prop Shaft Area
• Gear Oil Leaking from Drive Shaft Area
• Replacing Forward / Reverse Gear Thrust Bearings
• Replacing Prop Shaft Bearings
• Drive Shaft Service
• Routine Preventive Maintenance

SYMPTOMS REQUIRING SEAL KIT REPLACEMENT:
• Milky / White Gear Oil at Service Drain (Water Contamination)
• Gear Oil Leaking from Prop Shaft Area
• Gear Oil Leaking from Drive Shaft Area
• Failed Pressure Test During Routine Service
• Lower Unit Running Hot
• Cloudy / Discolored Gear Oil
• Loss of Lubrication
• Routine Annual Service Interval Reached

INSTALLATION:
• Step 1: Drain old gear oil completely (note color / condition)
• Step 2: Remove lower unit from outboard
• Step 3: Take photos and notes of disassembly order / orientation
• Step 4: Disassemble gearcase per service manual
• Step 5: Remove all old seals, gaskets, o-rings using proper seal removal tools
• Step 6: Clean all sealing surfaces thoroughly
• Step 7: Inspect gearcase housing for damage or corrosion
• Step 8: Install new seals with proper orientation (lip direction critical)
• Step 9: Install new gaskets and o-rings with light marine grease
• Step 10: Reassemble gearcase per service manual torque specs
• Step 11: Pressure test gearcase before reinstalling lower unit
• Step 12: Reinstall lower unit to outboard
• Step 13: Refill with proper fresh gear lube
• Step 14: Test forward and reverse operation

NOTE: Verify your OEM part number 25700-95D00 / 95D01 / 95D02 / 95D03 (Suzuki) or 5032167 / 5036040 (Johnson/Evinrude) before ordering. ***Suzuki DF25 V-Twin uses a DIFFERENT kit (25700-95J00)*** — verify your specific engine model. ***2-stroke OMC-built Johnson/Evinrude 25-30HP also use a different kit*** — only Johnson/Evinrude 4-stroke (rebadged Suzuki) is compatible. Replace all seals concurrently for proper lower unit longevity.