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Naraku Gasket Set - 52.4mm 89cc Big Bore Kit — product image 3

Naraku Gasket Set - 52.4mm 89cc Big Bore Kit

$18.00
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Naraku Gasket Set - 52.4mm 89cc Big Bore Kit — product image 3
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  • Naraku Gasket Set - 52.4mm 89cc Big Bore Kit — product image 3
  • Naraku Gasket Set for 52.4mm Cylinder Kit
Naraku Gasket Set - 52.4mm 89cc Big Bore Kit

Naraku Gasket Set - 52.4mm 89cc Big Bore Kit

$18.00
Part number 137-28

Check dimensions and compatibility before ordering.
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Order before 2 PM Central, Monday–Friday. Holidays excluded.

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Keep your Naraku 52.4mm Big Bore Kit sealed and running at full compression with this direct-replacement gasket set. Engineered specifically for the Naraku 89cc cylinder kit on QMB139 (1P39QMB) engines, it includes all three top-end gaskets needed for a cylinder service or rebuild. High-temperature composite and metal construction for reliable sealing under performance conditions.

This set is NOT compatible with stock 39mm (50cc) or 47mm (72cc/80cc) cylinders — verify your bore diameter before ordering.

This product is intended for off-road use only. This product is not intended for use on public roads or land.

Features

  • 3-piece gasket set engineered for Naraku 52.4mm 89cc big bore cylinder kits
  • Includes head gasket (52.4mm bore), base gasket, and tensioner gasket
  • High-temperature composite gaskets with metal head gasket ring
  • Direct replacement for Naraku BBK top-end service on QMB139 engines
  • Note: Packaging and non-metal gaskets may vary in appearance from product photo

Specifications

  • Bore size: 52.4mm (89cc displacement)
  • Engine platform: QMB139 / 1P39QMB (GY6 50cc 4-stroke)
  • Pieces: 3 (head gasket, base gasket, tensioner gasket)
  • Material: High-temperature composite + metal head gasket
  • Part number: NX100.58
  • Brand: Naraku

Model Fitment

Make Model Notes
Generic / Chinese QMB139 (GY50) 50cc — any brand Must be equipped with Naraku 52.4mm BBK
Tao Motor / TaoTao ATM50-A1 (Pony 50), Speedy 50, VIP Future Champion Most common QMB139 platform for 89cc upgrades
Wolf Brand RX-50, Islander 50, Blaze 50 Standard QMB139 architecture
Ice Bear / Amigo Rocket, Q6, Rocky, J-50 50cc short-case or long-case QMB139 engines
Honda Metropolitan (2013+) Only models converted to QMB139-style BBK
Kymco Agility 50, People 50 Compatible with 52.4mm engine conversions only

 

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