RANGER R21EC, 2017, YANMAR 3/30 ENGINE. WHEN STARTING THE ENGINE (THAT HAS NOT BEEN RAN FOR A WEEK) IT TAKES 5 TO 7 MINUTES TO GET THE STARTER TO ENGAGE. AFTER STARTING ONCE, STARTS RIGHT UP. TRYED TO FOLLOW STARTING PROCEDURES. NO HELP FROM OTHERS ON TUGNUTS...... CAN YOU ADVISE. THANKS