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1983 Honda CB1000C Spark Plug Wrench

Changing plugs on the 1983 Honda CB1000C means reaching down narrow wells in the cylinder head. This tuck-away wrench has a thinwall 18mm socket, is 160mm long overall, and its tommy bar slides inside the socket when stored.

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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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1983 Honda CB1000C · Electrical Tools Buying guide

Match the plug hex and available clearance

The tuck-away wrench has a thin-wall 18mm socket for the listed deep-well applications. Confirm the hex size of the plug actually fitted and allow room to turn the handle; the wrench dimension does not specify which spark plug the engine needs.

Tool to consider

Honda CB1100/CB1000/CB900/CB750 Spark Plug Wrench Tuck-away spark plug wrenchThinwall 18mm socket, 160mm in length, with a bar that stows inside it.View part

Small enough to carry

The wrench is listed at 160mm overall with a handle that stores inside the socket. Compare that size with the space in your own tool kit rather than assuming it fits under the CB1000C seat.

Follow the chosen plug’s instructions

The tuck-away handle is not calibrated for tightening torque. Follow Honda’s applicable specification and the instructions for the exact spark plug selected; do not use a generic “by feel” rule. Check the plug maker’s guidance before adjusting the gap on a fine-wire iridium plug.

Tool questions

Does an 18mm wrench mean the CB1000C needs an 18mm-thread spark plug?

No. The 18mm figure is the size across the plug’s hex, not its thread diameter, reach or heat range. Select the correct plug for the engine first, then check that the wrench fits its hex and the plug well.

Can the tuck-away handle set the specified spark-plug torque?

No. The handle is not calibrated. Use suitable torque equipment where the tightening procedure calls for a torque value, and follow the exact plug maker’s instructions as well as the applicable Honda specification.

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