Idle Speed Control Valve – Fits Yamaha 4-Stroke 115–225 HP Outboards (2000–Later)
This Idle Speed Control Valve (ISC) is engineered for Yamaha 4-stroke outboard engines from 115 HP to 225 HP, spanning model years 2000 and later. It ensures precise idle speed regulation for smooth, reliable engine performance across F115, F200, F225, LF115, LF200, and LF225 series motors.
This aftermarket replacement directly substitutes Yamaha OEM part number 68V-1312A-00-00 (also referenced as 68V1312A0000). It is designed to meet OEM specifications and is compatible with both standard and long-shaft configurations across multiple production years.
- Direct fit for Yamaha F-series and LF-series outboards (115 HP, 200 HP, 225 HP)
- Replaces OEM 68V-1312A-00-00 for intake and throttle body assemblies
- Covers 2000–2006+ model years with broad cross-model compatibility
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
Notes |
| Yamaha |
68V-1312A-00-00 |
OEM |
| Yamaha |
68V1312A0000 |
Alternate format |
Compatible Engine Models
Confirm your engine model/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.
| Model |
Year |
Component |
| F115TLRY |
2000 |
INTAKE 2 |
| F115TXRY |
2000 |
INTAKE 2 |
| LF115TXRY |
2000 |
INTAKE 2 |
| F115TLRZ |
2001 |
INTAKE 2 |
| F115TXRZ |
2001 |
INTAKE 2 |
| LF115TXRZ |
2001 |
INTAKE 2 |
| F115TJRA |
2002 |
INTAKE 2 |
| F115TLRA |
2002 |
INTAKE 2 |
| F115TXRA |
2002 |
INTAKE 2 |
| F200TXRA |
2002 |
THROTTLE BODY ASSY 2 |
| F225TURA |
2002 |
THROTTLE BODY ASSY 2 |
| F225TXRA |
2002 |
THROTTLE BODY ASSY 2 |
| LF115TXRA |
2002 |
INTAKE 2 |
| LF200TXRA |
2002 |
THROTTLE BODY ASSY 2 |
| LF225TURA |
2002 |
THROTTLE BODY ASSY 2 |
| LF225TXRA |
2002 |
THROTTLE BODY ASSY 2 |
| F115TJRB |
2003 |
INTAKE 2 |
| F115TLRB |
2003 |
INTAKE 2 |
| F115TXRB |
2003 |
INTAKE 2 |
| F200TXRB |
2003 |
THROTTLE BODY ASSY 2 |
| F225TURB |
2003 |
THROTTLE BODY ASSY 2 |
| F225TXRB |
2003 |
THROTTLE BODY ASSY 2 |
| LF115TXRB |
2003 |
INTAKE 2 |
| LF200TXRB |
2003 |
THROTTLE BODY ASSY 2 |
| LF225TURB |
2003 |
THROTTLE BODY ASSY 2 |
| LF225TXRB |
2003 |
THROTTLE BODY ASSY 2 |
| F115TJRC |
2004 |
INTAKE 2 |
| F115TLRC |
2004 |
INTAKE 2 |
| F115TXRC |
2004 |
INTAKE 2 |
| F200TXRC |
2004 |
THROTTLE BODY ASSY 2 |
| F225TURC |
2004 |
THROTTLE BODY ASSY 2 |
| F225TXRC |
2004 |
THROTTLE BODY ASSY 2 |
| LF115TXRC |
2004 |
INTAKE 2 |
| LF200TXRC |
2004 |
THROTTLE BODY ASSY 2 |
| LF225TURC |
2004 |
THROTTLE BODY ASSY 2 |
| LF225TXRC |
2004 |
THROTTLE BODY ASSY 2 |
| F115TJRD |
2005 |
INTAKE 2 |
| F115TLRD |
2005 |
INTAKE 2 |
| F115TXRD |
2005 |
INTAKE 2 |
| F200TXRD |
2005 |
THROTTLE BODY ASSY 2 |
| F225TURD |
2005 |
THROTTLE BODY ASSY 2 |
| F225TXRD |
2005 |
THROTTLE BODY ASSY 2 |
| LF115TXRD |
2005 |
INTAKE 2 |
| LF200TXRD |
2005 |
THROTTLE BODY ASSY 2 |
| LF225TURD |
2005 |
THROTTLE BODY ASSY 2 |
| LF225TXRD |
2005 |
THROTTLE BODY ASSY 2 |
| F115TJR |
2006 and Later |
INTAKE 2 |
| F115TJR_04 |
2006 and Later |
INTAKE 2 |
| F115TLR |
2006 and Later |
INTAKE 2 |
| F115TLR_04 |
2006 and Later |
INTAKE 2 |
| F115TXR |
2006 and Later |
INTAKE 2 |
| F115TXR_04 |
2006 and Later |
INTAKE 2 |
| F200TXR |
2006 and Later |
THROTTLE BODY ASSY 2 |
| F200XTR |
2006 and Later |
THROTTLE BODY ASSY 2 |
| F225TUR |
2006 and Later |
THROTTLE BODY ASSY 2 |
| F225TXR |
2006 and Later |
THROTTLE BODY ASSY 2 |
| LF115TXR |
2006 and Later |
INTAKE 2 |
| LF115TXR_0 |
2006 and Later |
INTAKE 2 |
| LF200TXR |
2006 and Later |
THROTTLE BODY ASSY 2 |
| LF225TUR |
2006 and Later |
THROTTLE BODY ASSY 2 |
| LF225TXR |
2006 and Later |
THROTTLE BODY ASSY 2 |
Technical Specifications
| Specification |
Value |
| OEM Part Number |
68V-1312A-00-00 |
| Component Type |
Idle Speed Control Valve (ISC) |
| Application |
Yamaha 4-Stroke Outboards (115 HP – 225 HP) |
| Compatibility |
F115, F200, F225, LF115, LF200, LF225 Series |
| Model Years |
2000 – Later |
Package Contents
-
1 × Idle Speed Control Valve (as pictured)
Installation Guide
-
Disconnect the battery to prevent electrical shorts or accidental engagement during installation.
-
Locate the idle speed control valve on the intake manifold or throttle body assembly of your Yamaha outboard.
-
Disconnect the electrical connector from the old valve by releasing the locking tab gently.
-
Remove mounting bolts or screws securing the valve to the intake or throttle body using the appropriate socket or screwdriver.
-
Carefully extract the old valve, noting its orientation and any gasket or O-ring positions.
-
Clean the mounting surface thoroughly to remove carbon deposits, old gasket material, or debris.
-
Install a new gasket or O-ring (if applicable) to ensure a proper seal and prevent air leaks.
-
Position the new idle speed control valve onto the mounting surface, aligning all bolt holes and ports correctly.
-
Hand-tighten the mounting bolts first, then torque to manufacturer specifications in a crosswise pattern to ensure even seating.
-
Reconnect the electrical connector firmly until you hear or feel the locking tab engage.
-
Reconnect the battery and start the engine, allowing it to reach normal operating temperature.
-
Check idle speed and stability; adjust idle settings if necessary according to your service manual, and verify there are no error codes.
Troubleshooting & FAQ
Q: How do I confirm this idle speed control valve fits my Yamaha outboard?
A: Cross-reference your engine's model and year with the compatibility table above. You can also verify the part number (68V-1312A-00-00) using Yamaha's exploded parts diagrams or your service manual to ensure it matches your throttle body or intake assembly.
Q: What are the signs that my idle speed control valve is failing?
A: Common symptoms include erratic or unstable idle, engine stalling at low RPM, difficulty starting when warm, or surging at idle. You may also see error codes or warning lights if your engine has an ECU diagnostic system.
Q: How often should I replace the idle speed control valve?
A: There is no fixed replacement interval; replace the valve when you experience idle issues or as part of troubleshooting poor engine performance. Regular maintenance—such as cleaning carbon buildup and inspecting electrical connections—can extend valve lifespan.
Q: What's the difference between this aftermarket valve and the OEM Yamaha part?
A: This aftermarket replacement is manufactured to OEM specifications using comparable-grade materials in an ISO9002-certified facility. It provides equivalent performance and fitment at a more competitive price point compared to the original Yamaha component.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
-
Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
-
Fast Global Shipping: Free delivery worldwide in 5–15 days.
-
Direct from Manufacturer: Competitive pricing without compromising quality.