KiWAV Extend idle speed adjustment screw compatible for Harley V-twin carburetors

Q1: What does this idle speed adjustment screw do?

A: It allows you to adjust engine idle speed by hand, without tools, making fine adjustments quick and convenient while riding or at stops.

Q2: Is this an idle speed screw or an idle mixture screw?

A: This is only an idle speed adjustment screw.
It is NOT an idle mixture screw and does not adjust fuel or air mixture.

Q3: What carburetors is this compatible with?

A: It is designed specifically for Harley CV carburetors.
Compatibility is limited to CV-type carb setups.

Q4: Which Harley-Davidson models does it fit?

A: It is compatible with Harley-Davidson Big Twin models from 1980 to 2007
(SKU reference: 35-0157-VT), when equipped with CV carburetors.

Q5: Can it be used on non-Harley motorcycles with CV carburetors?

Some riders report successful use on non-Harley CV-style carburetors, but fitment outside the specified Harley models is not guaranteed and should be verified before purchase.

Q6: Why would I want an extended idle adjustment screw?

A: It makes idle speed adjustments faster and easier, especially when:

• Engine idle changes between cold starts and hot operation

• Fine tuning idle sound or engine response

• Adjusting at stops without reaching for tools

Q7: How is this easier to use than a stock idle screw?

A: The flexible shaft and large knurled knob allow precise adjustments by hand, even with gloves on, eliminating the need for a screwdriver.

Q8: Is installation difficult?

A: Installation is straightforward with basic mechanical knowledge.
Some users note installation is easier with more access space, such as removing the fuel tank.

Q9: Can I adjust idle speed while wearing riding gloves?

A: Yes. The oversized knurled knob is designed for easy grip and adjustment, even with thick riding gloves.

Q10: Does this affect engine tuning or performance?

A: It only adjusts idle speed, not air/fuel mixture.
Proper tuning and carb setup should still be handled separately.

Q11: Is this intended for tuning or just convenience?

A: It is primarily a convenience and control upgrade, allowing more precise and frequent idle speed adjustments without tools.

Q12: What materials is it made from?

A: It features a durable metal construction with a flexible shaft designed for repeated adjustments.

Q13: What is included in the package?

A: The package includes:

• 1 × Idle speed adjustment screw

• 1 × Spring clip

Q14: Where is this product made?

A: This product is made in Taiwan.

Q15: Are there any important usage warnings?

A: Yes:

• Consult a professional if unsure about carburetor adjustments

• This is not an idle mixture screw

• Use only on CV carburetors

• Improper adjustment may affect engine idle behavior