5 Attachment(s)
Raptor 400 Spark Plug Tune-up
Spark Plugs:
Motorcraft SP-526 (16 total)
Remove the Engine cover and side panels.
1. Remove the two bolts for the fuse box and move the fuse box to the center.
2. Remove the spark plug assembly bolts, one per spark plug on the top.
3. Disconnect the spark plus assembly buy pressing on the clip and remove, don't pull on the wires.
Attachment 27612
Remove the EGR hose, pull outwards.
Attachment 27613
Remove the spark plug assembly, pull straight up, then remove the spark plugs and install new.
Attachment 27614
1. Remove the bolts for the ECU/computer, you can gently move this to the center of the engine.
2. This spark plug is partially blocked by the fuel line, disconnect the connector and lower plug wire by pulling on the cap.
3. By moving the fuel line to the side you can remove the spark plug assembly.
Attachment 27615
Remove the ECU/Computer mounting plate, 2 alen bolts and one bolt. No need to cut the zip ties just swing the plate out of way towards the outside.
Attachment 27616
Remove the spark plugs bolts and assemblies and replace plugs.
Reverse steps to reinstall everything, push the spark plug assemblies into the hole and seat on the spark plug, then rotate to line up.
Raptor 400 Spark Plug Tune-up
Typical torque spec for spark plugs is 18 ft-lbs.
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