Just wondering what may cause my lgt165 to start missing and knocking after 20-30 mins of operation. i have noticed it lately while im using my scraper blade to level up my yard. i have changed the coil and condenser, also cleaned points.
knocking and missing under load
Posted June 03, 2015 - 12:16 PM
Posted June 03, 2015 - 02:26 PM
Points need cleaning, adjusting and check the timing. Carbon buildup in the cylinders is my second quess. Decarbon with Marvel Mystery Oil in the gas. Good Luck, Rick
- TomLGT195 said thank you
Posted June 03, 2015 - 07:23 PM
I would suggest replacing the points all together and make sure you set the timing correctly. What you're describing is a common symptom of poor timing due to points malfunction.
Edited by FilledTires, June 03, 2015 - 07:37 PM.
Posted June 03, 2015 - 08:25 PM
Some will knock if the points are to tight .018 or tighter will make some of them knock a bit.Some old kohlers like tight points and others like them a little loose.Just depends on Cam and Points plunger wear.
A Lean or fuel starved kohler will also knock and rattle on an engine that needs bored do to excessive cylinder wear.A blown head gasket or Lean running engine will wear the cylinder very very fast.You can tell by eyeballing the gap between the piston and cylinder at the bottom of it's stroke.If you can see the top ring then it's worn out.Some of them get Very Very out of round and can not be bored out big enough to clean it up.Those will have to be bored out and Sleeved.
I've bought a couple that were worn to the point of needing sleeved but the PO just stuck a set of cheap rings in them and sold them.A new set of rings will make it run and not smoke for a very short period of time but it won't fix the problem.
Posted June 05, 2015 - 11:03 AM
Open or closed side? Closed sides have a fuel pump that will do what you describe when it is on its way out.
Posted June 07, 2015 - 06:35 PM
Posted June 07, 2015 - 06:37 PM
Posted June 07, 2015 - 07:24 PM
also just had bowl off carb and gas was still flowing through carb. would this also be due to faulty pump. because i would think that there shouldn't be any gas still running to carb if the pump was good.
Posted June 08, 2015 - 09:21 AM
Posted June 09, 2015 - 04:33 PM
Posted June 09, 2015 - 05:26 PM
justamccoy, is there a way i can check this out without disassembling the engine?
Posted June 09, 2015 - 05:56 PM
Posted June 10, 2015 - 07:21 PM
Posted June 10, 2015 - 08:57 PM
Posted June 12, 2015 - 11:08 PM
Edited by Chopperhed, June 12, 2015 - 11:08 PM.