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This Genuine Mikuni SBN / Super BN Rebuild Kit restores proper fuel delivery and throttle response to your watercraft’s carburetor. Designed and manufactured in Japan, this OEM‑quality kit includes all diaphragms, gaskets, and hardware required to fully disassemble and rebuild Mikuni BN‑series square‑pump and round‑pump carburetors.
Compatible with the following Mikuni models:
• BN34
• BN38
• BN44
• BN46
Because Mikuni carburetors are sized by model number, you must verify your carb size before ordering.
⭐ What’s Included
• Genuine Mikuni diaphragms
• Gaskets and O‑rings
• Check valves
• Internal hardware required for a full rebuild
• Made in Japan
Note: Needle and seat assemblies are sold separately.
Kits are sold per carburetor.
⭐ Why Choose Genuine Mikuni
• OEM‑spec materials and fitment
• Reliable fuel metering and throttle response
• Restores performance on 2‑stroke watercraft
• Designed specifically for SBN / Super BN carburetors
• Manufactured in Japan for maximum durability
Common Applications
• Jet skis / personal watercraft
• Stand‑up and sit‑down 2‑stroke models
• Mikuni SBN and Super BN carbureted engines
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