Lubricate the needle bearing weekly.
Pull the front hand guard rearward to disengage the chain brake.
Loosen the bar nuts and remove the clutch cover.
Note: Some models have only one bar nut.
Put the product on a stable surface with the clutch drum up.
Lubricate the needle bearing with a grease gun. Use engine oil or a bearing grease of high quality.
Depending on your saw, please refer to below illustration 1 or 2.
Illustration 1
Illustration 2