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Keihin Main Jet - 99101-357 — Hex Head
Keihin

Keihin Main Jet - 99101-357 — Hex Head

$15.00
In stock
Size· 53 options

Quantity

Details

MPN
Manufacturer
Keihin
Subtype
Main Jet
Condition
New
Carb Model
FCRFCR-MXPJPEPWMCR-Special
Spec Type
Stock
Use Case
Street
Fits Models
Honda CRF250RHonda CRF450RHonda CR250RHonda XR400RHonda XR250RKTM 250 SX

Description

Keihin 99101-357 hex-head main jets meter fuel through the main circuit in documented FCR, FCR-MX, PE, PJ, PWK, PWM and CR Special carburetors, including PWK28. Also known as the KH25 family, each whole-number variant uses a 99101-357-XXX part number whose suffix identifies the jet size. The jet measures 16.5 mm long, with a 6.0 mm hex head and M5 x 0.8 thread.

Select the stamped size that matches the carburetor's required jetting rather than relying on a broad model-family match. This listing's whole-number options span sizes 080 to 230. The separate 157.5 option is aftermarket and non-genuine, with no confirmed Keihin variant part number.

Description

Keihin 99101-357 hex-head main jets meter fuel through the main circuit in documented FCR, FCR-MX, PE, PJ, PWK, PWM and CR Special carburetors, including PWK28. Also known as the KH25 family, each whole-number variant uses a 99101-357-XXX part number whose suffix identifies the jet size. The jet measures 16.5 mm long, with a 6.0 mm hex head and M5 x 0.8 thread.

Select the stamped size that matches the carburetor's required jetting rather than relying on a broad model-family match. This listing's whole-number options span sizes 080 to 230. The separate 157.5 option is aftermarket and non-genuine, with no confirmed Keihin variant part number.

Notice

Before You Order — Measure Your Jet First

Remove the jet from your carb and physically measure it. If it does not dimensionally match this listing, this is not the correct jet — do not buy it.

Buyer is solely responsible for confirming the correct jet size before purchasing. Do not rely on year/make/model fitment guides — they cannot be guaranteed 100% accurate.

All jet sales are final. No returns or exchanges — no exceptions.