mf1235 HST NOT STARTING WHEN WARM

[MARCBELOEIL]

i HAVE DIFFICULTIES STARTING MY MF 1235 HST (1246HOURS) THE STARTER IS NOT ACTING WHEN ENGINE IS HOT BUT IF I LET IT COOL DOWN FEW MINUTES AND I PLAY WITH THE YELLOW ARM (LOCATED UNDER THE SEAT) AFTER FEW TRY IT WILL START.

tHANK'S