YGQ Slow Pilot Jet Kit for Keihin Nibbi PE PWK-MX PJ Carburetors – 20Pcs

Overview

The YGQ Slow Pilot Jet Kit is a versatile tuning companion designed to refine idle and low-speed fuel metering for Keihin and compatible carburetors. Instead of relying on a single jet size, you gain a broader set of pilot jets to explore what might deliver a smoother idle, steadier low-end response, and crisper throttle transitions. This kit presents options you can test during routine maintenance or on a weekend tuning session, helping you tailor the feel of your bike without a wholesale carburetor overhaul.

Users often appreciate the practical focus of a pilot jet kit: small changes at the throttle plate can translate into noticeable differences at the starter line or when rolling through town. While results depend on your engine, fuel, and altitude, the set is designed to offer tangible tuning pathways and more control over your carburetor’s early metering behavior.

What’s included

• 20 pilot slow jets in a broad range: 32, 35, 38, 40, 42, 45, 48, 50, 52, 55, 58, 60, 62, 65, 68, 70, 72, 75, 78, 80

Compatibility and fit

• Fits Keihin-based carburetors across PWK, PWK-MX, PE series, CVK20 and related PJ/PWM variants, enabling broad applicability.
• Honda coverage includes models like CBR1000F Hurricane (87-88), GL1500, Valkyrie, ATC200 (81-83), ATC250R (83-84), FL350R Odyssey (1985), FL400 Pilot (88-89), TRX450R (2006), CRF450R (02-05), CR500R, XR650R.
• Kawasaki compatibility spans KX-series machines equipped with Keihin PWK carburetors, plus PWK28/33-39 variants for multiple setups.

How to choose and use

Start by inspecting your carburetor family and model, then reference the size options from #32 to #80 to identify a starting point. Swapping to a new pilot jet is a practical, in-situ adjustment you can perform during a routine service or a dedicated tuning session. The wide size range supports experimentation and incremental refinements rather than a single, one-size-fits-all setting.

Real-world use scenarios

• Cold starts and idle stability: test different sizes to find one that smooths the transition from idle to light throttle.
• Low-end response: small changes can influence throttle crispness and mid-range feel at city speeds.
• Altitude and fuel quality adjustments: the kit provides multiple options to adapt to changing conditions without replacing hardware.

Why choose this kit

• Expands tuning options with a complete 20-piece set, offering a broad range for flexible experimentation.
• Designed to work with a variety of carburetor families and popular Honda and Kawasaki platforms, helping streamline setup decisions.
• Clear size range (32–80) lets you verify compatibility using product images before swapping jets.