Compression tester for mopeds, mopeds, motorcycles and cars.
The compression tester has an M14x1.25 connection (standard moped spark plug thread) and an M12x1.25 connection.
The compression tester can be used to assess whether the compression pressure in the cylinder is still sufficient or whether the piston rings or the piston should be replaced. As a rule of thumb, a pressure of 6 to 7 bar and higher can be regarded as OK for 50 to 75 cc engines when cold.
Technical data of the pressure gauge:
- Measurement range: 0 - 21 bar
- Tolerance: +/- 3 %
- Connection hose: 300 mm
- Connection: MF 14 x 1.25 / MF 12 x 1.25
Instructions for use:
- Disable the ignition before starting
- Set the throttle to full throttle during the testing process
- Rotate the engine at starting speed for 3 - 4 seconds
- Take the measurement with the engine cold and warm
Branded product of the tool manufacturer BGS.
| Manufacturer | BGS |
| Thread type | MF14x1.25 (fine pitch thread), MF12x1.25 (fine pitch thread) |
| Total length | 300 mm |
| Area of application | Measuring tool |
| Universal | |
| Puch | E50 ZA50 (air-cooled) ZA50 (fan-cooled) Z50 (X30 Sport) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 502 (Saxonette) - AL, AML 50/2 - L CH (0.8 PS), ML CH (0.8 PS), MB (2.6 PS), MLB (2.6 PS) 50/3 50/4 - MLFB (2.6 PS), LKH (4.5 PS) 50/5 503 - AAL, ABL, 2AL / 2BL, AB, AC, ADV 504 (without pedal shaft) 505 (with pedal shaft) - 1A (AT), 2A (HG) 508 - 1 A 535 |
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta various Beta 521 (engine) |
| Piaggio | Ciao - P, SC, PX, C24 Si Bravo / Super Bravo Boxer Grillo |
| Zündapp Belmondo | |
| Solex | |
| Tomos | |
| Bye Bike | |
| Alpa Chopper / Turbo |
| Cilo | |
| DKW | |
| Fantic | Issimo |
| Garelli | |
| Honda | |
| Hercules | |
| ILO / JLO | |
| Kreidler | Flory MF Foil |
| Malaguti | |
| MBK | |
| Miele | |
| Motobecane | |
| Monark | |
| Peugeot | |
| Victoria | |
| Yamaha | |
| Zündapp | 434 Chassis (mountaineer) 278 Motor |
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