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1977 Honda CB750F Spark Plug Wrench

Under electrical tools, the 1977 Honda CB750F lists one item: a slim 18mm plug wrench. It slips down the deep wells in the cylinder head, measures 160mm in total and has a tommy bar that tucks away inside the socket when not in use.

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Honda CB1100 CB1000 CB900 CB750 spark plug wrench

Honda CB1100/CB1000/CB900/CB750 Spark Plug Wrench

$5.95 USD
35-0078
Reach deep CB plug holes with this "Tuck Away" 18mm Spark Plug Wrench. Works on 18mm spark plugs, 160mm overall, thinwall design fits into...
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1977 Honda CB750F · Electrical tools Buying guide

Reaching deep plugs

This tuck-away wrench is listed for 18 mm spark plugs and has a thin-wall design for deep CB plug holes. Match the fitted plug and available access before choosing it.

Plug tool to consider

Honda CB1100/CB1000/CB900/CB750 Spark Plug Wrench 18mm plug wrenchSlim-walled socket, 160mm overall, listed for every CB750 from 1969 to 1978.View part

Size and access

The wrench is 160 mm overall and uses a thin-wall socket for deep plug holes. Those dimensions describe the tool; check the fitted plug and surrounding access if the cylinder head or other equipment has been changed.

Carry it with the bike

The handle stores inside the socket. Check the actual storage space on the motorcycle before relying on the tool tray or a replacement seat’s clearance.

Plug wrench questions

Which plug size does it fit?

It is an 18mm wrench. The listing names all 1969-78 CB750 models, including this one, and several later Honda fours that share the same plug hex size.

Why is a thin wall important?

The supplier describes the thin-wall design as suitable for deep CB plug holes. Compare the access around the fitted plug rather than assuming a bulkier socket has the same clearance.

How long is the wrench?

The listed overall length is 160 mm. Confirm both working clearance and storage space on the fitted motorcycle.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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