Replacement spring set for the Jammer tuning clutch on your Puch with ZA50 engine, Tomos A35, A55 and mopeds / mopeds with Minarelli V1 engine.
The blue clutch springs with their wire diameter of 1.3 mm are the second heaviest of the available springs and are designated as stage 2.
The springs supplied with the jammer clutch are relatively hard, requiring a high engagement speed; this variant lowers the speed accordingly.
| Spring design | Tension spring |
| Length spring hook | 8 mm, 14 mm |
| Ø wire | 1.3 mm |
| Manufacturer | GPO |
| Material | Spring steel |
| Surface | varnished |
| Color | blue |
| Ø inside | 7.3 mm |
| Ø outside | 9.9 mm |
| Total length | 34 mm |
| Puch | E50 ZA50 (air-cooled) ZA50 (fan-cooled) |
| Tomos | |
| Fantic |
Accessories & related products
Jammer clutch springs medium racing clutch | Puch E50
Spring design: Tension spring · Ø wire: 1.6 mm · Length spring hook: 10.8 mm · Leg length: 9.6 mm · Leg length: 13.5 mm · Manufacturer: Jammer · Material: Spring steel · Area of application: Tuning · Color: green · Surface: varnished · Total length: 37 mm · Ø inside: 7.4 mm · Ø outside: 11 mm
EUR 16.00
Jammer clutch 1st gear (aluminum carrier) | Tomos A35, A55
Manufacturer: Jammer · Material addition: Aluminum · Area of application: High End · Area of application: Performance · Area of application: Racing · Area of application: Tuning · Material: Steel · Number of jaws: 3 pcs · Recording type: Interlocking · Number of springs: 3 pcs · Tomos OEM number: 227849
EUR 206.40
Jammer clutch flange version | Minarelli V1
Manufacturer: Jammer · Area of application: Racing · Area of application: Tuning · Material: Composite materials · Material: Steel · Number of jaws: 3 pcs · Recording type: 2-edge · Number of springs: 6 pcs · Thickness: 20.3 mm · Ø outside: 82.5 mm
EUR 229.30
Jammer clutch cone version | Minarelli V1
Manufacturer: Jammer · Area of application: Racing · Area of application: Tuning · Material: Composite materials · Material: Steel · Number of jaws: 3 pcs · Recording type: Cone mounting · Number of springs: 6 pcs · Thickness: 20.3 mm · Ø outside: 82.5 mm
EUR 229.30
Not in stock
swiing® revival deco brake lever (Magura replica) black
Manufacturer: swiing® revival parts · Material: Aluminum · Material: Sheet metal (steel) · Housing material: Aluminum · Material lever: Sheet metal (steel) · Surface: varnished · Ø inside: 22 mm · Number of fixing points: 1 pcs · Color: black-matt · Thread type: M5x0.8 (standard thread) · Thread type: M6x1 (standard thread) · Mounting type: Plug connection clamped · Thread type: 1/4" - 32G (5/32") · Magura OEM number: 104.1.7 · Puch OEM number: 349.3.32.617.0
EUR 103.10
GPO clutch spring set Jammer clutch "Stage 1" pink
Spring design: Tension spring · Ø wire: 1.1 mm · Length spring hook: 8 mm · Length spring hook: 14 mm · Manufacturer: GPO · Surface: varnished · Area of application: Tuning · Color: pink · Ø inside: 7.7 mm · Material: Spring steel · Total length: 34 mm · Ø outside: 9.9 mm
EUR 13.70
Hot 
Jammer clutch 1st gear "GPO-Edition" | Puch ZA50
Manufacturer: Jammer · Recording type: Interlocking · Number of jaws: 3 pcs · Number of springs: 15 pcs · Thickness: 12.8 mm · Area of application: Tuning · Ø outside: 83.5 mm · Alternative version of the Puch OEM number: 321.1.12.620.2
EUR 217.90
Explore categories from Clutch
Moped fans also bought
Hot
KMC drive chain 415H (reinforced) 128L
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Manufacturer: KMC · Material: Steel · Surface: blank / oiled · Color: gray · Number of chain links: 128 pcs · Rolling circumference: 1626 mm · Chain lock type: Spring lock · Ø bore: 4 mm · Ø Pin: 3.94 mm
EUR 14.30
swiing® revival upright spring blue galvanized | Puch
Spring design: Tension spring · Ø wire: 2.5 mm · Length spring hook: 19 mm · Length spring hook: 53 mm · Manufacturer: swiing® revival parts · Material: Spring steel · Surface: galvanized (blue) · Ø inside: 9 mm · Ø outside: 14 mm · Total length: 122 mm
EUR 3.10
Jammer clutch springs medium racing clutch | Puch E50
Spring design: Tension spring · Ø wire: 1.6 mm · Length spring hook: 10.8 mm · Leg length: 9.6 mm · Leg length: 13.5 mm · Manufacturer: Jammer · Material: Spring steel · Area of application: Tuning · Color: green · Surface: varnished · Total length: 37 mm · Ø inside: 7.4 mm · Ø outside: 11 mm
EUR 16.00
GPO clutch spring set Jammer clutch "Stage 1" pink
Spring design: Tension spring · Ø wire: 1.1 mm · Length spring hook: 8 mm · Length spring hook: 14 mm · Manufacturer: GPO · Surface: varnished · Area of application: Tuning · Color: pink · Ø inside: 7.7 mm · Material: Spring steel · Total length: 34 mm · Ø outside: 9.9 mm
EUR 13.70
Hot
Jammer clutch 1st gear "GPO-Edition" | Puch ZA50
Manufacturer: Jammer · Recording type: Interlocking · Number of jaws: 3 pcs · Number of springs: 15 pcs · Thickness: 12.8 mm · Area of application: Tuning · Ø outside: 83.5 mm · Alternative version of the Puch OEM number: 321.1.12.620.2
EUR 217.90
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
