NGK CMR6H Spark Plug Box 10

Part No. HST0656-10

CMR6H Spark Plug

The NGK CMR6H is a high-quality, resistor-type spark plug featuring a copper core for efficient heat dissipation, corrosion resistance, and a projected tip for reliable ignition. It is widely used in small engines, motorcycles, scooters, and compact 4-stroke equipment. It has an M10 x 1.0 thread, 12.7mm reach, and a 16mm (5/8") hex size.

View full product info

£33.43

ex VAT

In Stock

Save to a Quick List

Order before 4:00pm for next day delivery

Key Features & Specifications:

Part Number: CMR6H
Fits: Blowers, Shredder vacuums, Mist blowers, Chainsaws, Kombi engines, Multi systems, Hedge cutters, Brush cutters, Strimmers, Pole pruners - BG56, BG66, BG86, BR200, BR500, BR600, BR700, BT130, BT131, FC56, FC70, FS38, FS40, FS50, FS130, FS131, FS240, FS260, FS280, FS360, FS55, FS56, FS70, FS94, FR130, FR131, FS410, FS460, FS480, FR410, FR460, HS45, HS46, HS56, HS82, HS87, HL91, HL92, HL94
Thread Diameter: 10mm
Thread Reach: 12.7mm (1/2")
Hex Size: 16mm (5/8")
Tip Material: Nickel Alloy
Core Material: Copper
Resistor: Yes (5 kOhm)
Gap: 0.6mm - 0.7mm (0.024" - 0.028")

Benefits:

Corrosion Resistance: Trivalent plating protects against corrosion and seizing in aluminium cylinder heads.
Improved Performance: Copper core and nickel alloy electrodes provide excellent heat transfer and long service life.
Consistent Spark: Resistor design suppresses electrical interference for reliable ignition and smooth engine operation.

OEM Number	CMR6H
Manufacturer	NGK

Available in category:

Tool > Engine > Spark Plugs

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery*
£11.95 or FREE for orders over £100
Orders placed before 4pm Monday to Friday will be delivered on the next business day.
Orders placed after 4pm on Friday will be delivered the following Tuesday.
*Next day delivery applies to stocked items only. Availability can be found on the product pages.

Premium Delivery*
£27.50 for delivery before 10:30am
£20.00 for delivery before 12:30pm
*Premium delivery applies to stocked items only. Availability can be found on the product pages.

For all other countries, please click here for full delivery information.

**Separate carriage charges apply to bulk products such as 205L barrels.