Air intake hose air filter box -OEM QUALITÄT- APE 125-220cc 2-stroke, Ape MP550(1967-1972) 190cc (MPA1T), P601V / MP 600 (1978-) 190cc(MPM1T), MP500 (1969-1978) 190cc (MPR1T), MPV 600 / P601 V (1970-) 190cc (MPV1T), P601V (1978-1983) 220cc (MPM2T), P601V

The suction hose should be checked occasionally for its condition. If it is cracked or porous, the engine will draw in false air faster than you would like. This can cause the mixture to lean and can lead to serious engine damage.
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