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Start ShoppingMIKUNI FVM15SC4/85 Starter Plunger - Brass Carburetor Enricher Circuit Component
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Description
Upgrade your carburetor's fuel delivery system with the MIKUNI FVM15SC4/85 Starter Plunger. This precision-engineered component ensures reliable engine performance by maintaining proper fuel enrichment during startup, making it critical for riders seeking smooth, consistent power delivery.
Key Features
- Brass Construction with Viton Seals: Durable brass body combined with heat-resistant Viton seals ensures long-lasting performance in demanding riding conditions.
- Compact Design: 1.5" length x 0.5" diameter dimensions allow for easy installation without compromising airflow efficiency.
- Lightweight Build: Just 0.1 lbs reduces overall carburetor weight while maintaining structural integrity for responsive fuel metering.
- Enricher Circuit Compatibility: Specifically designed for MIKUNI carburetor enricher systems to deliver precise fuel-air mixture control.
Why Choose This Product
Whether you're maintaining a classic motorcycle or optimizing a modern powersport engine, this starter plunger delivers unmatched reliability. Its corrosion-resistant materials withstand harsh environments, while the precise tolerances ensure consistent fuel delivery for smoother acceleration and improved fuel efficiency. As a genuine MIKUNI component, it guarantees perfect fitment and compatibility with factory specifications, giving riders peace of mind during critical startup phases.
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Upgrade your carburetor's fuel delivery system with the MIKUNI FVM15SC4/85 Starter Plunger. This precision-engineered component ensures reliable engine performance by maintaining proper fuel enrichment during startup, making it critical for riders seeking smooth, consistent power delivery.
Key Features
- Brass Construction with Viton Seals: Durable brass body combined with heat-resistant Viton seals ensures long-lasting performance in demanding riding conditions.
- Compact Design: 1.5" length x 0.5" diameter dimensions allow for easy installation without compromising airflow efficiency.
- Lightweight Build: Just 0.1 lbs reduces overall carburetor weight while maintaining structural integrity for responsive fuel metering.
- Enricher Circuit Compatibility: Specifically designed for MIKUNI carburetor enricher systems to deliver precise fuel-air mixture control.
Why Choose This Product
Whether you're maintaining a classic motorcycle or optimizing a modern powersport engine, this starter plunger delivers unmatched reliability. Its corrosion-resistant materials withstand harsh environments, while the precise tolerances ensure consistent fuel delivery for smoother acceleration and improved fuel efficiency. As a genuine MIKUNI component, it guarantees perfect fitment and compatibility with factory specifications, giving riders peace of mind during critical startup phases.| SKU | GMD65EFD07 |
|---|---|
| MPN | FVM15SC4/85 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Suzuki | DR350 | 1985-2000 |
| Suzuki | DR600 | 1985-1989 |
| Suzuki | DR650 | 1985-1990 |
| Yamaha | XT350 / SRX250 / Various trail bikes | 1980-1995 |
| Kawasaki | KLX250 / KDX200 / Various | 1985-2005 |
Frequently Asked Questions
Yes, designed for FVM15 series carbs on Suzuki DR, Yamaha XT, and similar 2-stroke/4-stroke trail bikes from 1980s-1990s.
Yes, genuine Mikuni replacement part, not aftermarket.
Yes, includes plunger, Viton O-ring, and spring.
If the plunger is stuck or worn, yes. Inspect the enricher circuit first.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Phillips screwdriver
- 12mm socket
- Needle nose pliers
Pro Tips
- Lubricate new O-ring with clean engine oil before install
- Test plunger operation before full reassembly
Common Mistakes to Avoid
- Forgetting to disconnect fuel line
- Over-tightening the mounting screw
Comparison vs Stock/OEM
Direct OEM replacement for factory Mikuni carbs
Improvements
- New Viton seals resist fuel degradation better than aged originals
- Smoother plunger action for reliable cold starts
Considerations
- None - identical to stock specs
Durability & Warranty
Expected Lifespan
10+ years with proper maintenance
Warranty
1 year Mikuni manufacturer warranty
Maintenance
Inspect annually for fuel varnish buildup; clean with carb cleaner
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