Mikuni Carburetor Leak Detector - 30 PSI

Mikuni carburetor leak detector pressurizes carbs to 30 PSI to identify internal leaks in needle and seat assemblies, crankshaft seals, and crankcase surfaces. Essential diagnostic tool for tuning and rebuilding work.

Features

• Pressurizes to 30 PSI
• Tests needle and seat holding pressure
• Detects crankshaft seal leaks
• Checks crankcase surface integrity

Specifications

• Brand: Mikuni
• Manufacturer Part #: FMK-BNPMP R
• Length: 4 in
• Width: 10.3 in
• Height: 1.4 in
• Weight: 0.46 lbs
• Country of Origin: Japan

Frequently Asked Questions

What pressure does this detector use?

30 PSI — safe pressure for carburetor testing without risking damage to internal components.

Can I use this on any motorcycle carburetor?

Yes. This works on any carb that can be pressurized, including Harley, Indian, and other cruiser brands.

How do I use it?

Seal the carb fuel inlet, attach the detector, and pressurize to 30 PSI. Watch for bubbles or pressure loss indicating leaks.

What leaks can it find?

Internal leaks in needle and seat assemblies, crankshaft seals, and crankcase gasket surfaces — anywhere air escapes under pressure.