think300E, strongly recommend that you remove the distributor cap and inspect the condition of the terminals before doing any other work. Scrape away any thick deposits on the terminals, or replace the distributor cap ... same for the distributor rotor. Buy a new large O-ring for inside the distibutor cap since over time it gets dry/brittle.

Distributor cap screws are 5mm and the rotor are 3mm. Removal is straightforward with the most difficult part being the removal of the spark plug wires from the cap. Each terminal on the cap is numbered for the corresponding cylinder (1 thru 6, front to back).

The black plastic cover has a tab on either side that snaps into place to secure the cover. Gently pull the tab out on one side and the cover should release and lift off.

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Fred Hoelzle