For Yamaha Outboard 689-11633-00-00 Piston Pin 25 30 HP 689-11633-00 18-4103

For Yamaha Outboard 689-11633-00-00 Piston Pin25 30 HP 689-11633-00 18-4103

Description

Restore structural integrity and smooth rotational movement to engine's top end with this high-precision wrist pin. Engineered to connect the piston to the small end of the connecting rod, this hardened steel pin absorbs extreme combustion forces and reciprocating inertia in Yamaha 25 HP and 30 HP 2-stroke powerheads. Replacing a pitted, grooved, or heat-discolored piston pin during an overhaul is vital to prevent top-end slop and severe cylinder wall scoring.

Item Specification

  • OEM Part Number: 689-11633-00-00
  • Alternative Part Codes: 689-11633-00, 689116330000
  • Sierra Number: 18-4103
  • Product Name: Pin, Piston / Wrist Pin
  • Material: Case-Hardened Alloy Steel (Bearing-Grade High Chromium)
  • Finish: Precision Micro-Ground & Polished Surface

Fitment

  Fits on Model

  Yamaha Outboard 25, 30 HP

  • 1984 25ELN CRANK PISTON
  • 1984 25ESN CRANK PISTON
  • 1984 25LN CRANK PISTON
  • 1984 25SN CRANK PISTON
  • 1984 30ELN CRANK PISTON
  • 1984 30ESN CRANK PISTON
  • 1985 25ELK CRANK PISTON
  • 1985 25ELK CRANK-PISTON
  • 1985 25ESK CRANK PISTON
  • 1985 25ESK CRANK-PISTON
  • 1985 25LK CRANK PISTON
  • 1985 25LK CRANK-PISTON
  • 1985 25SK CRANK PISTON
  • 1985 25SK CRANK-PISTON
  • 1985 30ELK CRANKCASE PISTON
  • 1985 30ESK CRANKCASE PISTON
  • 1986 25ELJ CRANK PISTON
  • 1986 25ELJ CRANK PISTONR
  • 1986 25ESJ CRANK PISTON
  • 1986 25LJ CRANK PISTON
  • 1986 25SJ CRANK PISTON
  • 1986 30ELJ CRANK PISTON
  • 1986 30ELJ CRANK-PISTON
  • 1986 30ESJ CRANK PISTON
  • 1986 30ESJ CRANK-PISTON
  • 1986 30J CRANK-PISTON
  • 1987 25ELH CRANK PISTON
  • 1987 25ESH CRANK PISTON
  • 1987 25LH CRANK PISTON
  • 1987 25SH CRANK PISTON
  • 1989 CV30ELF CRANK PISTON
  • 1990 CV30ELD CRANK PISTON
  • 1991 C30ELRP CRANK PISTON
  • 1992 C30ELRQ CRANK PISTON
  • 1993 C30ELRR CRANKSHAFT PISTON
  • 1994 C30ELRS CRANKSHAFT PISTON
  • 1994 C30MLHS CRANKSHAFT PISTON
  • 1995 C30ELRT CRANKSHAFT - PISTON
  • 1995 C30ELRT CRANKSHAFT PISTON
  • 1995 C30ERT CRANKSHAFT PISTON
  • 1996 C30ELRU CRANKSHAFT PISTON
  • 1997 C30ELRV CRANKSHAFT PISTON

SAFETY NOTICE & LEGAL DISCLAIMER:
1. Mandatory Professional Installation: This is a high-performance mechanical component. For your safety, this product MUST be installed by a certified professional technician. Improper installation may result in catastrophic mechanical failure, loss of vehicle control, and serious or life-threatening risks.
2. Assumption of Risk: Operating power sports equipment involves inherent dangers. By purchasing this product, the user acknowledges and assumes all risks of personal injury or property damage. Our company is not liable for any direct or indirect damages arising from improper use, modification, or unauthorized installation.
3. Compatibility Statement: Manufacturer names and OEM part numbers are used for identification and compatibility purposes only. Our products are independent aftermarket replacement parts and are not affiliated with the original equipment manufacturers.

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  • A full refund is ONLY offered when: - Order is unshipped. – Wrong item sent/ Defective items. – Package lost during delivery process (We will confirm with delivery company and resend the item; a full refund will be made if buyers are not willing to wait for the resend package).

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