Northern Lights NL673 — Oil Changes (SP2)
Maintenance · Engine crankcase
For the Northern Lights NL673, from the Northern Lights owner's manual.
Applies to: Northern Lights NL673
Before you start
- Never put additives or flushing oil in crankcase.
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 engine oil and oil filter after 50 hours; use Service CC 30 weight oil for the first 100 hours.
- Change oil and filter again at 100 hours, then every 250 hours.
- During intermittent cold weather, change oil every 100 hours or six weeks.
- Change oil when engine is warm.
- Loosen the clamp on the oil change tube, remove cap, drain oil, replace cap and tube.
- Refill engine with recommended oil; capacity with new oil filter is 3.1 liters.
- Never use a flushing oil.
Specs & values
- Engine capacity with new oil filter: 3.3 quarts (3.1 liters)
Full service-parts list: Northern Lights NL673 →
Source: Northern Lights owner'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.