Main sprinkler included 06413 – for Dell-Orto VHSH carburettor / VHSB
Main sprinkler type 06413 compatible with carburetors Dell-Orto VHSH and VHSB, widely used on KZ karting engines and other 2 stroke motors.
The proposed sprinklers are and manually controlled to ensure the actual value of the gas passage. Piping consists of measuring precisely the diameter of the sprinkler in order to obtain a much more reliable and accurate carburetor setting than the original value indicated by the manufacturer.
Important:
The number of the sprinkler is entered on the plastic bag of packaging.
He Do not rely on the number engraved on the sprinkler, because it corresponds to the manufacturer ' s origin value and not to the actual measured value.
One Spider got it is a sprinkler whose the actual diameter was controlled with a precision pin (a calibrated stem). This tip allows measure exactly the diameter of the nozzle hole, which determines the amount of gasoline that passes through the carburettor.
In karting competition, this operation is important because the numbers engraved on the sprinklers do not always match the actual diameter.
The sprinklers are usually by flow and not by exact diameter. Two sprinklers with the same number may have a slight difference in gas flow.
Piping thus allows:
to obtain a much more precise carburetor setting
to have the true value of the sprinkler
improve engine performance and reliability
avoid an engine too poor or too rich
In practice, we often observe a gap of approximately 7 to 12 points between the number on the sprinkler and its actual value measured with a pin.
Common example:
marked sprinkler 130
actual diameter measured 137 - 138
This is why many KZ preparers and pilots use Spillers got to obtain more reliable and accurate adjustment.
Control is done with a box of jugs calibrated to one hundredth of a millimetre.
We insert the pin into the sprinkler until we find the one that fits perfectly into the hole, which makes it possible to determine the exact diameter of the sprinkler.
The KZ engines and 2 strokes are very sensitive to carburation adjustment. A poorly calibrated nozzle can cause:
loss of power
engine overheating
motor clamping
The Spider got it thus allows to get precise carburetor settingadapted the runway and weather conditions.
Characteristics:
Type: Main sprinkler
Reference: 06413
Compatible Dell-Orto VHSH / VHSB
Spilled and controlled
Real value indicated on the bag
Ideal for precise settings in karting competition
Ideal product for drivers wishing optimize the performance and reliability of their karting engine.
The CRG Kt2 is the versatile chassis par excellence of the Italian manufacturer. Unlike the Rébec Road (more rigid), the KT2 uses a frame compound full of tubes of 30 mm in diameter. This architecture offers controlled flexibility, ideal for freeing the engine in categories without gearbox like the OK, Iame X30 or the Rotax Max.
Its geometry allows fast adaptation to all track conditions (high grip or green track "). Featuring the last components of the range CRG RacingHe combines exceptional motor skills at a surgical front train accuracy.
The CRG KT2 2026 Version Kz redefines the standards of the Queen category. While the Road Rebel (32mm) remains the choice for the tracks with very high grip, the KT2 in 30mm Has become the favorite weapon of Kz pilots looking for more agility and ease in the support changes.
For 2026, CRG Reworked the composition of chrome-molybdenum steel to provide a better response from the front train during degressive braking. This KZ version stands out for its localized structural reinforcements and its integral front / rear braking system, essential to stop the power of 50 horsepower engines
The hub of 35 mm long is considered a "short hub". In karting, The choice of hub length is a fundamental adjustment tool:
Short hub (35 mm): It offers less contact surface with the axle than models of 75 or 90 mm. This usually allows to have a "freer" behavior of the rear train, Helping the chassis to be free from curve, Ideal on tracks with a lot of grip (adhesion).
The hub of 40 mm long is often considered the "standard" or "versatile" value on adult karts equipped with a 30 mm (x30, axle, Rotax, Kz, ok). Unlike very long (75-90mm) hubs that considerably rigidify the rear, or the very short (35mm) that fully freed the chassis, the 40 mm Offers neutral and healthy behavior, ideal for starting a setting session before refining.
The hub of 85 mm is a "long" adjustment room. In karting, the choice of the hub length is directly related to the leverage exercised on the axle:
Stability and Grip: With 85 mm, you increase the rigidity of the rear train and removing the load outward. This is the ideal tool for more moving output output or to expand your back path without stacking spacers (which weakens the assembly).
R2.0 version: This name indicates an evolution of design at CRG (best machining, optimized weight and anodized finish "Gold" for higher resistance to corrosion).
The 95 mm in magnesium is an extreme room. This is not comfortable equipment, it is a precision tool for high-level drivers (KZ, OK, X30 senior categories).
The hub of 95 mm is one of the longest models available in the range CRG. In karting, the length of the hub is directly correlated to the "lever arm" applied to the axle:
Deported support: With 95 mm, you drop the load of the wheel outwardly. This helps to charge the rear train in support more, ideal for tracks where you miss moving out of turn.
Aluminum rigidity: Unlike magnesium, this aluminum version offers high structural stiffness and excellent durability, while being easier to maintain and less sensitive to oxidation. Finishing Gold (anodized) effectively protects the part against premature wear.
The 105 mm in magnesium is a high competition room. This is not a basic setting, it is a specific solution for specific needs:
Maximum lever arm: With 105 mm, you drop the load outward to load the outer rear tire. It is the absolute weapon when the kart is sorely lacking on the turn out of turn.
System "2 screws": In a length of 105 mm, a one-screw tightening would be insufficient and would create an imbalance. The system to 2 screws Allows you to distribute the tightening force over the entire length of the ring, ensuring a perfect maintenance on the axle without creating a single voltage point.
Magnesium (mg): It offers valuable weight gain on non-suspended masses and thermal dissipation that stabilizes the pressure of your tires during long finals.
Main sprinklertype 06413compatible with carburetorsDell-Orto VHSH and VHSB, widely used onKZ karting engines and other 2 stroke motors.
The proposed sprinklers areand manually controlledto ensurethe actual value of the gas passage. Piping consists of measuring precisely the diameter of the sprinkler in order to obtain a much more reliable and accurate carburettor setting than the original value indicated by the manufacturer
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