6R3-43131-00-00 6E5-43131-02-00 Yamaha Clamp Bracket Bolt | Genuine Used Part

🔧 Product Description

Genuine Yamaha Clamp-Bracket Tilt Tube / Bolt - Part Numbers: 6R3-43131-00-00 / 6E5-43131-02-00

A genuine used Yamaha clamp-bracket bolt, commonly called the tilt tube or steering tube, for a broad range of 115HP to 300HP outboards. The tube passes through both clamp brackets and swivel-bracket bushings, forming the main tilt pivot and often accepting a mechanical steering cable. Yamaha 6R3-43131-00-00 supersedes earlier 6E5-43131-series tubes.

⚙️ Key Features

• Genuine Yamaha clamp-bracket tilt tube
• Current reference 6R3-43131-00-00
• Supersedes 6E5-43131-02-00 and related earlier tubes
• Main tilt pivot and steering-cable support
• Verified stainless aftermarket replacements available

🚤 Compatibility

Commonly used on

• Yamaha 115HP-300HP clamp-bracket systems
• V4 and V6 two-stroke, OX66 and HPDI engines
• F-series four-stroke and selected V MAX SHO engines
• Mechanical steering-cable and hydraulic-steering installations

Typically suits

• 115CETO / 130BETO and related V4 engines
• 150HP / 175HP / 200HP / 225HP / 250HP two-strokes
• Z / VZ HPDI models
• F150 through selected F300 engines where 6R3-43131-00-00 is listed
• Current Yamaha diagrams continue to use the 6R3 tube on selected 250HP engines
• HP Range: Approximately 115HP - 300HP
• Component Type: Tilt tube / clamp-bracket bolt
• Year Range: Approximately early 1990s onward
• Fitment Requirement: Match overall length, outer diameter, thread, steering-cable bore and tilt-limit provision

🔌 Function

The tilt tube joins the port and starboard clamp brackets, supports the swivel bracket during engine tilting and provides the steering-cable guide on mechanical systems.

⚠️ Common Signs of Failure

• Steering cable seized inside the tube
• Corrosion or pitting on the tube
• Worn tilt bushings causing play
• Damaged threads or self-locking nut
• Bent tube causing stiff steering or tilt movement

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 6R3-43131-00-00 → Replaces 6E5-43131-02-00
• 6R3-43131-00-00 → Replaces 6E5-43131-01-00 and 6E5-43131-00-00
• 6R3-43131-20-00 is a related tilt-limit version on selected engines
• Later large-engine variants may use 6R3-43131-30-00 or different tubes

OEM / Related Numbers

• 6R3-43131-00-00
• 6R3431310000
• 6E5-43131-02-00
• 6E5-43131-01-00
• 6E5-43131-00-00
• 6R3-43131-20-00
• 90386-25M31-00 related bushings
• 90201-26M59-00 related washers
• 90185-22M11-00 related self-locking nut

Aftermarket / Verified Equivalents

• WSM stainless tilt tube: 986-150
• Offshore Marine stainless tilt tube: 2210ST4
• Aftermarket reference: 986-155 / STT-YN
• Generic stainless 1-inch OD, approximately 11-3/4-inch Yamaha tilt tubes
• Some aftermarket catalogues also list selected Suzuki applications; dimensions must be verified

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated