Hirth F 33 A/B - Illustration 1.4-1 (Identification plate position); Table 1.5-1

GH F33 BDA
Illustration 1.4-1 (Identification plate position)
1.5 Technical data
Table 1.5-1
Manufacturer Göbler-Hirthmotoren KG
Type F 33 A
Stroke Two stroke
Number of cylinders 1
Displacement 313 cm
3
Stroke 69 mm
Bore 76 mm
Compression ratio 9,5 : 1
Performance 18 kW (24,5 HP)
RPM, max. 6500 1/min
Turn direction Left, view to PTO
Start device Recoil starter (Option: E-Starter in combination with G 33)
Ignition system Electronic ignition system, single or dual
Generator 50 W, 12 V (Option)
Spark plugs single ignition 023.22 (Hirth), B 8 HS (NGK), W 24 FS-U (N D)
Spark plugs double ignition 023.26 (Hirth), C 8 HSA (NGK), U 24 FS-U (N D)
Ignition timing 16° v. TDC (at 2000 1/min)
Fuel mixture 1 Dellorto PHBE, 1 Mikuni BN34..., 1 air filter (try)
Cooling Air cooled, free air
Oil/Fuel mixture 1 : 50
Fuel 95 Octan
Two stroke oil Brand two stroke oil
CHT max. 280° C / 536° F
EGT max. 680° C / 1256° F
Fuel pressure min. 0,3 bar
Engine mass 12,7 kg
Exhaust system mass 3,4 kg
Stand: 02.02.05 DOC_F33_B_E_0.01