CY50 20mm Sintered Manifold

50,0055,00

Fits a Keihin PC onto a CY50 with standard engine or big-bore kit

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SKU CY5020SLS-1 Categories ,


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This manifold is designed to fit the standard 49cc short stroke engine. No need to mess around boring up your 40 year old original Honda manifold, which will only allow you to go up to 16mm.

This part comes in 20mm or 22mm intake diameter. The position of the carburator is a perfect copy of the original. Ideal to get the best out of your bore-up project.

This part comes with mounting bolts, packing not included.

Material & Finish

This part is made from laser-sintered Alumide, a mixture of aluminium and polyamide.

  • heat resistant up to 140 degrees
  • looks like sand-casted aluminium
  • Alumide has good thermic insulating capacities
  • the mounting flanges are sanded to ensure a well-sealing finish
    sealed with matte, fuel resistant clear coat

– Update about the longevity of this product –

Although some users have traveled 1000’s of KM using this manifold without any issues, others have been reporting deformations of their manifold over time.

The conclusion is that the Alumide is pushed to the edge of its heat resisitance when used as a manifold, and may not be sufficient for long-term use. This is especially the case on modified engines and big-bore that produce more heat.

Therefore, if you’re looking for a manifold that will last forever, I recommend spending a little more on a CNC aluminium part.

I will continue to look for improved materials to make these arts available to the CY community at a reasonable price. In the meanwhile, please consider this an experimental product, suitable for test-cases only.

Disclaimer

! Not suitable for use on public roads, use only for track or display purposes!
! this product is explicitly sold WITHOUT WARRANTY. Only buy if you agree to this.

Additional information
Weight 0.2 kg
Dimensions 8 × 6 × 5 cm
Carburator

Keihin PC07a – PC18, Keihin PC10 / PC20 / PC30

Material

Aluminium CNC

Bike Model

CY50/80, R&P

Engine Type

50CC

Intake Diameter

18mm, 20mm, 22mm

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