> The Right Tool for the Job
If you have ever noticed how difficult it is to find a spanner short enough, yet with jaws wide enough, to adjust the jet nut under the carburetor, then take heart from the knowledge that SU identified the problem and came up with a special spanner for the task. While being short to allow sufficient clearance to rotate it under the carburetor, there is still enough leverage available through the handle for controlled, gentle movement of the jet nut.
You may not need it now, but you'll certainly be glad of it when the occasion arises.
> More Carb Tools & Parts
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Uni-Syn Carburetor Synchronize Tool Carb synchronizer - Using the Uni-Syn is the fastest and easiest way to synchronize airflow through twin carbs. It is much more accurate than putting a hose in your ear. (Though not as much fun!)
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Carb Balancer Tool This tool/gadget allows you to balance both air intakes on either twin SU or twin choke carbs so they flow exactly the same to give better performance and economy.
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SU Carburetor Tool Kit This kit has been around for at least 35 years that we know of, and we've yet to see a tool that is as simple and straightforward for setting up SU carburetors.
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> Popular Carb Rebuild Kits
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SU Hs4 1 1/2 Carburetor Service Kit Carb repair kit less spindle and butterfly for single HS4 carbs-includes float needle valve and jet. for waxstat type see CSK65, This kit is suitable for pre Waxstat (pre 74) Minis only.
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Hif44 Carburetor Service Kit Service kit for the following carbs: FZX1306, FZX1307, FZX1280, FZX1281, FZX1409, FZX1412, FZX1429, FZX1433, FZX1462, FZX1524, FZX1526, FZX1525, FZX1531, FZX1469, FZX1312, FZX1366, FZX1422, FZX1428, FZX1443, FZX1468, FZX1529, FZX1419.
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SU Hs2/Hs4 Service Kit For Dual Carbs Complete service kit from "SU" includes all the bits needed for a very complete rebuild of your twin HS2 (1.25") or HS4 carbs; Carb repair kit less spindle and butterfly -includes float needle valve and jet.
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SU Reference Catalog Two manuals for one price; SU packages this very thorough reference catalog with a detailed workshop manual. The reference catalog shows diagrams, part numbers, and even prices of every SU carb ever made. Read a review of this product here.
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If you're not sure about servicing or rebuilding your carb yourself, give Ed a call or send him an email at [email protected] about having Spridget Mania rebuild your carb for you. Check out the Carb Shop.
> Related Articles
Synchronization of Twin SU HS-type Carburetors Before proceeding to synchronize your carburetors and for best results, some preparation is in order. Your carburetors should be in peak condition with no play in the throttle shaft bushings. If these bushings are worn, synchronization is difficult or impossible to achieve since there will be a vacuum leak past the bushings. Additionally, the jet needles should be identical and correct for the application; adjusted to equal and correct seating in the piston and centered in their jet bores (if not centered, you will feel a bind when moving the piston up and down). If any of these conditions exist, the carbs should be...Read More
Carburetors Installation of HIF-6 or HIF-44 Carburetors These guidelines make several assumptions, among which are: 1) You own a workshop manual covering the SU HIF-series carburetors. A number of good-quality manuals dedicated to the SU are available and are highly recommended. It is strongly recommended that...Read More
SU Carbs - HIF, a more finely honed instrument The basic SU design has maintained the same basic format since it's inception. Even it's external appearance remained unchanged until the late seventies, early eighties - the classic illustration of a basic and simple concept that was very hard to improve on. Modern technology continually sweeps its ever-growing arm across all manufactured products and the SU was no exception. From closer scrutiny, and more demanding emissions control the HIF variant was born. So what have they done to improve it over its...Read More
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