Sleeve for carburetors PHBL 20 - 25 B (37 mm)

Sleeve for carburetors PHBL 20 - 25 B (37 mm)

Specific for Malossi cylinders 3116326 - 3115829

For the detection of:

RPM
Coolant temperature
Engine operating hours

Cone 20 mm / Cone 20 mm
Stroke 51 connecting rod 105

Full shoulder crankshaft for reed valve intake system.
WARNING: Purchase of code 07-NB-005-MA is required

Cone 20 mm / Cone 20 mm
Stroke 51 connecting rod 97

Full shoulder crankshaft for reed valve intake system.

Cone 20 mm / Cone 20 mm
Stroke 60 rod 110

Full shoulder crankshaft for reed valve intake system.

Cone 20 mm / Cone 20 mm
Stroke 51 connecting rod 97

Intake phase obtained inside the half-shoulder, in the same circular mass structure

This machining results in a significant slotting facing inward, while maintaining a regular external profile.

Cone 19 mm / Cone 19 mm
Stroke 51 rod 97

Intake phase obtained inside the half-shoulder, in the same circular masses structure

This machining results in a significant slotting facing inward, while maintaining a regular external profile.

Round flywheels, 51mm stroke

Black, with aluminum silencer

Painted, with aluminum silencer, exhaust on the right.

Bore: 63 mm-Stroke: 60 mm-Long thread spark plug
A completely new thermal group is born, designed in every
part to achieve the maximum result in terms of performance and
durability. Every aspect of the system has been studied to maximize
mechanical resistance, fluid dynamics, and improve combustion: the
result is a top-of-the-range kit for construction quality and technological advancement.

7 transfers
Power range: 22>30 hp

Bore 65mm, without head. (The original can be mounted)
Power range: 14>22
Stroke 52
Number of ports 5

Specific for Malossi cylinders 3116326 - 3115829

Rounded corner, height--> 50.2 mm

5-piece kit

High-speed bearing (up to 18000 rpm) produced by SKF ITALIA, used on Pinasco and Quattrini engine casings.

Size--> 2.10-10" with pre-installed valve

It fits perfectly replacing the original 27-tooth sprocket.

Material: Rubber

For models without a mixer

Cone: 17 mm
Fan color: Dark grey
Weight: 1.6kg

Dimensions--> 14.5x12.8x13.8 cm
Box can be opened via central screw to access the filter sponge, complete with caps for perfect carburation, also includes various flanges to adapt it to SHB-SHBC-CP Polini carburetors.

Diameter: 58 mm
Stroke 51 mm

• Bore the cylinder mounting hole with a milling cutter to a diameter of 64 mm +0.01/-0.00 depth 20mm
• It is necessary to remove the ignition cover casing that protrudes from the cylinder plane
• Position the base and intake gaskets and perform the matching with a milling cutter

Bore: 63
Displacement: 190cc
Stroke: 60 mm

Transmission gears in special straight-tooth steel with a
recalculated ratio. They completely eliminate any axial thrust, reducing the
stress on the bearings. Made with high precision machines, carburized, hardened, and ground to provide high characteristics of silence and
durability.