Yesterday I got my package from webike that would be Keyster Carburetor Fuel Adjustment Kit .This is very special product because it has includes everything anyone wanted to rebuild TDUB early modle carb.Very much idendical to the OEM quality .OEM Parts bit expensive but this kit has everything.According to the OEM PRICES THIS FUEL ADJUSTMENT KIT WAY MORE CHEAPER..I'm currently running oem 114 mainjet and 40 pilot jet and Pilot screw/air screw 1.5 turns from fully seated.according to the spark plug reading (chocalate brown color) that was a great choice.after I got this fuel adjustment kit I wanna try 112 mainjet and 110 main jet with the 37 pilot jet (lean condition).The kit comes with a paper sheet with everything written on it, so even though the sentences are in Japanese, the diagrams on the carb are easy to understand, even if you don't know Japanese..If anyone want to know the english version of this paper ,can download the english version from the keyster website.I would say great investment for the bike and very easy to installed.and will be a great experiment.WEBIKE Shop is one of the best shop for buy finest quality and rare products for cheap prices.webike shop offers great service.so anyone can buy product with confident. webike packaging is awesome.they secure the items inside the box with the bubble (doesn't matter the product size,they do it anyway ) wrap for further protection.I highly recommended.WEBIKE.. awesome people and 5star shop. .Thank You !!
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- Instock
29.65 USD (4,400 JPY)
Delivery Information
In Stock : 3 left, Ships within 24 hours.
Estimated arrival date around
Product detail
Quantity: For 1 carburetor (for 1 cylinder)
[Set components]
Needle Valve
Idle screw (air screw)
Float Chamber Gasket
Pilot jet: 3 sizes
Main jet:6 sizes
Jet Needle: 4 sizes
etc.
**Components vary by product.Please refer to the product image.
*There may be changes in product specifications due to the manufacturer's reasons..
Here's a list of motorcycle good mood diagnostics to help you troubleshoot (manufacturer's website).
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Keyster's Carburetor Tune-Up Kit includes almost all the parts needed to repair or adjust your carburetor.Needle valves, idle screws (air screws), float chamber gaskets, etc., but the most distinctive feature is the wide variety of fuel control parts.There are 3 sizes of pilot jets, 6 sizes of main jets and 4 sizes of jet needles.
The rubber needle valve is made of "AA Needle" which is the super needle that won the invention prize.Its amazing performance far surpasses that of stock products.
Conventional jet sets for tune-up are distributed equally in size.For example, it skips by 5 or 10.But the jetsets in the fuel tune kit are not evenly spaced.In combination with the jet needle, the size is designed to change the air-fuel ratio effectively and precisely.
The first use of the fuel tune kit is for troubleshooting.For use to repair motorcycles with fuel supply problems.
The basic direction is that the pilot jet, the jet needle and the main jet should all be moved in the L direction to increase the A / F ratio, and all of them should be moved in the R direction to decrease the A / F ratio.However, the combination of L, S, and R will be different depending on how you want to change the range of low, medium, and high speed.This is one of the best parts of carburetor tuning.
Another application of the fuel tuning kit is to tune up the motorcycle (performance improvement).
However, the carburetor is not a device that generates power by itself, so no matter how much you adjust the carburetor, the effect of tuning up is not expected.Please note that the performance will be improved by adjusting the carburetor to fit the engine and the parts of the engine front and rear when they are replaced and tuned up.For example, if you try to improve the performance of the engine by changing the air filter to increase the amount of air passage or the exhaust to reduce the exhaust resistance, the mixture conditions required by the engine will naturally be different.This is where carburetor adjustment comes in.This can be easily met with a fuel adjustment kit.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
NEW ARRIVALS IN USED PARTS FOR
NEW ARRIVALS IN USED PARTS FOR
NEW ARRIVALS IN USED PARTS FOR
New arrivals in used
New arrivals in used
Customer Reviews
Reviews with image
Fits:YAMAHA TW200 2JL 4CS1-6 available
Installed on: YAMAHA TW200
Fits:YAMAHA TW200 2JL 4CS1-6 available
Nov 5, 2020
【good point】
Required Quantity:It is very attractive that you can get a set product inexpensively.
It's a good idea to use this one, especially if you don't want to change the spec. of carburetor into a large one.
[Bad point]
None in particular
[Summary]
Easy to use product for vehicle Restore and carburetor OH.
You don't have to buy them all individually, so you can buy them without hesitation.
Fits:YAMAHA TW200 2JL 4CS1-6 available
Feb 1, 2020
Initial Modelcarburetor is back on the market
I used it to overhaul the forced open/close carburetor on the TW200E
It's easy to just replace the removed parts with new ones
It's back safely
However, the accuracy may not be a problem, but the engraving on the Jet is so good that I wonder if it's really Japan I was impressed with how dirty it was
Well, it doesn't matter because you can't see it when you use it, but it did bother me a bit
Fits:YAMAHA TW200 2JL 4CS1-6 available
Jul 10, 2018
Large It was a strange good product.
Manufacturing is also good, many kinds are Quantity : Since it is set, you can try various things. It is currently replacing and trying, but because of hang in the decomposition of carburetor it is self-responsibility.
View DetailFits:YAMAHA RZ350 81 4U0
Installed on: YAMAHA RZ350
Oct 6, 2022
very good item for carburetor adjustment for any motorcycles. price is feel like little expensive, because you need to buy each set for each carburetor. but they do a good job. reliable and good quality.
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