Generac — Test 13 – Check Engine Compression
Testing & diagnosis
From a Generac service manual covering: iX 1600, iX 2000, iX 800. Check it applies to your exact model before use.
Applies to: Generac iX 1600, Generac iX 2000, Generac iX 800
Procedure
- Remove the spark plug.
- Insert an automotive type compression gauge into the spark plug hole.
- Crank the engine until there is no further increase in pressure.
- The highest reading obtained is the engine compression pressure.
Tools required
- Compression Gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Minimum allowable compression pressure cold engine: 60 psi
Full service-parts list: Generac iX 1600 →, Generac iX 2000 →, Generac iX 800 →
Source: Generac service 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.