YEP i somehow strip most of the threads on my LD340 intake just 1 out of 4 holes that bolts my carb,i did find a longer bolt that caught some threads and is holding,but who knows how long it will last,so i may as well look into buying a Helicoil kit could someone tell me what size drill bit and coil to get thanks DON.Iam sure someone has been there done that.