Northern Lights NL673 — Changing Lube Oil Filter
Maintenance · engine
For the Northern Lights NL673, from the Northern Lights operator's manual.
Applies to: Northern Lights NL673
Before you start
- Overtightening can damage filter housing.
Parts for this job
- 24-08001 Oil filter Amazon eBay $27.44 NAPA $9.09
Part numbers from the service-parts list for Northern Lights NL673. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Change lube oil filter every 250 hours.
- Use filter wrench to remove old filter.
- Ensure old gasket removed and clean mount face.
- Apply thin film of engine oil to new filter gasket.
- Screw on until gasket meets sealing surface.
- Tighten one-half turn farther by hand only.
- Fill engine with recommended oil.
- Start engine, check for leakage, stop, wait 3 minutes, check oil level.
Tools required
- filter wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- every 250 hours
- one-half turn farther by hand
Full service-parts list: Northern Lights NL673 →
Source: Northern Lights operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.