
Market innovation: first 38 mm racing cylinder made of aluminum with round slotted intake for Sachs 2-, 3- and 4-speed engines with blower clutch, which were installed on Hercules 50/ALS, 50/2 S, 50/KS, 50/2 DK, 50/3 LS, 50/4 LKS, Gritzner etc.
The tuned aluminum cylinder has been developed and tested for many years in Switzerland.
The tuned aluminum cylinder was developed and tested for years in Switzerland and is now finally available exclusively from us.
Despite the original displacement, this tuning kit turns your oldie into a powerhouse with 4.01 Nm and 4.5 hp at the rear wheel thanks to optimized timing, larger intake and exhaust as well as enlarged overflow channels.
In conjunction with the corresponding 13 mm SSB or 16 mm SHA carburettor with intake flange and resonance exhaust, a moderate increase in performance can be expected compared to the original cylinder.
A selection of performance-enhancing and supplementary add-on parts can be found in the accessories section.
The scope of delivery includes cylinder, piston kit, cylinder head, gasket set, intake studs and cylinder studs including special nuts.
The cylinder head, which can only be used for cylinders in this series, is equipped with a raceway centering system. This ensures that the combustion chamber is perfectly aligned and the piston is not at TDC.
Hole pattern [mm]: 60 x 40 / 37 x 37 · Manufacturer: swiing® ingenious parts · Material: Aluminum · Surface: sandblasted · Displacement: 50 ccm · Nominal diameter: 38 mm · Ø cylinder neck: 44.9 mm · Ø outlet inside: 19.6 mm · Ø Inlet inside: 15 mm · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 31 mm · Ø piston pin (B): 12 mm · Outlet type: slanted · Thread outlet: M35x2 (standard thread) · Number of fixing points: 8 pcs · Decompressor: No · Camouflaged: No · Area of application: Tuning
Hole pattern [mm]: 37 x 37 · Manufacturer: swiing® ingenious parts · Material: Aluminum · Surface: sandblasted · Ø cylinder: 38 - 41 mm · Ø outside: 95 mm · Camouflaged: No · Number of fixing points: 5 pcs · Ø screw holder: 6.7 mm · Candle thread: short · Decompressor: M10x1.5 · Total length: 125.6 mm · Height: 46.7 mm · Area of application: Tuning
| Nominal diameter | 38 mm |
| Manufacturer | swiing® ingenious parts |
| Material | Aluminum |
| Displacement | 50 ccm |
| Crankshaft stroke | 42 mm |
| Surface | sandblasted |
| Thread inlet | M5x0.8 (standard thread) |
| Hole spacing inlet | 31 mm |
| Ø piston pin (B) | 12 mm |
| Area of application | Racing |
| Hole pattern [mm] | 51 x 40 |
| Outlet type | Union nut |
| Thread outlet | M35x2 (standard thread) |
| Number of fixing points | 4 pcs |
| Camouflaged | No |
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 50/3 50/4 - MLFB (2.6 PS), LKH (4.5 PS) |
Accessories & related products
Dell'Orto 16/16 SHA carburetor hand choke
Nominal diameter: 16 mm · Manufacturer: Dell'Orto · Material: Aluminum · Component group Carburetor: Carburetor complete · Carburetor type: SHA · Width: 72 mm · Choke control: Hand choke · Height: 111 mm · Total length: 82 mm · Nozzle thread: M5x0.8 (standard thread) · Ø fuel hose connection: 5.1 mm · Ø fuel hose connection: 6 mm · Ø without reducing sleeve: 21 mm · Nozzle size: 82 · Ø Inside entrance: 16 mm · Ø Internal connection: 19 mm · Ø Output inside: 16 mm · Color: black · Ø Air filter connection: 56 mm · Ø Air filter connection: 58.5 mm · Area of application: Tuning · Mixed oil connection: No · Vacuum connection: No · Mounting type: Plug connection clamped · Camouflaged: No
EUR 83.30
Loctite 638 Joining shaft-hub high-strength 10 ml
Temperature resistance (min.): -75 - 150 °C · Manufacturer: Loctite · Material to be used: Aluminum · Material to be used: Metal · Material to be used: Steel · Contents: 10 ml · Hazard warning: Causes serious eye damage · Hazard warning: Causes skin irritation · Hazard warning: Harmful to aquatic organisms (with long-term effects) · Hazard warning: May cause allergic skin reactions · Hazard warning: May irritate the respiratory tract · Signal word: Danger · Hazard pictogram: GHS05 - Corrosive · Hazard pictogram: GHS07 - Caution dangerous · Color: green · Adhesion: high-strength · Area of application: Chemistry · Type of application: 1K · Gap dimension (max.): 0.25 mm · Alignment time: 300 sec · Breakaway torque (according to material): 23 N/m · Breakaway torque (according to material): 25 N/m · Breakaway torque (according to material): 57 N/m
EUR 26.10
EUR 2’610.00/l
GPO exhaust set Ø 28 / 60 mm original | Sachs 50/2
Manufacturer: GPO · Material: Steel · Surface: chrome-plated · Ø Internal connection: 25.8 mm · Color: Chrome · Ø Flame tube outside: 28 mm · Exhaust type: Flute · Ø outside: 60 mm · Flame tube attachment: Union nut · Mounting type: Screwed clamp
EUR 190.50
swiing® ingenious resonance exhaust set Ø 28 / 70 mm | Sachs 50/2
Ø outside: 70 mm · Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Color: Chrome · Total length: 730 mm · Ø Internal connection: 28 mm · Mounting type: Screwed clamp · Exhaust type: Cigar · Flame tube attachment: Union nut
EUR 178.60
swiing® revival carburetor 13 mm Bing SSB 1/13/4
Nominal diameter: 13 mm · Manufacturer: swiing® revival parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Carburetor type: SSB · Width: 87 mm · Choke control: without choke · Height: 85 mm · Total length: 132 mm · Ø fuel hose connection: 6 mm · Nozzle size: 75 · Hole spacing inlet: 31 mm · Area of application: Standard · Area of application: Tuning · Mixed oil connection: No · Vacuum connection: No · Mounting type: Flange · Camouflaged: No
EUR 151.20
Not in stock
swiing® ingenious stud bolt set M6 / M5 Sachs (12.9 strength) Special
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: burnished · Surface: galvanized (blue) · Thread type: M5x0.8 (standard thread) · Thread type: M6x1 (standard thread) · Diameter: 6 mm · Drive: External hexagon · Total length: 27.3 mm · Thread length: 9.5 mm · Thread length: 14 mm · Strength class: 10 · Strength class: 12.9 · Width across flats: 8 mm
EUR 23.00
swiing® ingenious piston 38 mm | Sachs 50/2
Manufacturer: swiing® ingenious parts · Ø outside piston (A): 37.96 mm · Compression height (C): 28 mm · Curvature (D): 3.4 mm · Total piston height (E): 54 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Nominal diameter: 38 mm · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Weight piston kit: 81 g
EUR 69.70
swiing® ingenious 16 mm intake manifold Dell'Orto SHA | Sachs 50/2, 50/3, 50/4
Manufacturer: swiing® ingenious parts · Material: Aluminum · Surface: anodized · Color: graphite colors · Number of fixing points: 2 pcs · Ø inside: 16 mm · Mounting type: Screws · Ø External connection: 19 mm · Hole spacing inlet: 31 mm · Area of application: Tuning
EUR 58.30
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swiing® revival exhaust nut M35x2 galvanized | Sachs 50/2 (A1507)
Manufacturer: swiing® revival parts · Material: Steel · Nut type: Union nut · Surface: galvanized (blue) · Thread type: M35x2 (standard thread) · Ø inside: 30 mm · Ø outside: 43 mm · Pony OEM number: A1507 · Sachs OEM no.: 0242 048 101
EUR 17.80
Clutch basket & hub | Sachs 50/2, 503 (A2508/A2947)
Material: Steel · Color: graphite colors · Toothing type: helical toothed · Recording type: Interlocking · Height: 41.5 mm · Number of teeth: 16 pcs · Number of teeth: 62 pcs · Ø outside: 100 mm · Ø outside: 110 mm · Ø inside: 22.5 mm · Area of application: Standard · Pony OEM number: A1201 · Pony OEM number: A2947 · Sachs OEM no.: 0234 068 000 · Sachs OEM no.: 0290 035 005
EUR 113.10
swiing® revival carburetor 13 mm Bing SSB 1/13/4
Nominal diameter: 13 mm · Manufacturer: swiing® revival parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Carburetor type: SSB · Width: 87 mm · Choke control: without choke · Height: 85 mm · Total length: 132 mm · Ø fuel hose connection: 6 mm · Nozzle size: 75 · Hole spacing inlet: 31 mm · Area of application: Standard · Area of application: Tuning · Mixed oil connection: No · Vacuum connection: No · Mounting type: Flange · Camouflaged: No
EUR 151.20
Not in stock
swiing® ingenious stud bolt set M6 / M5 Sachs (12.9 strength) Special
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: burnished · Surface: galvanized (blue) · Thread type: M5x0.8 (standard thread) · Thread type: M6x1 (standard thread) · Diameter: 6 mm · Drive: External hexagon · Total length: 27.3 mm · Thread length: 9.5 mm · Thread length: 14 mm · Strength class: 10 · Strength class: 12.9 · Width across flats: 8 mm
EUR 23.00














