Help with id old tool

[Golfinn]

any idea what correct tool name is guys

 

[Mintgrun]

It feels a little like cheating, but I right clicked on your photo and selected "search with google lens" and found some matches. The one on Worthpoint says it is a KLG spark plug detacher.

VINTAGE KLG SPARK PLUG QUICK DETACHER TOOL CLASSIC CAR MOTORCYCLE TRACTOR | #314096174

UP FOR AUCTION IS A RARE KLG SPARK PLUG DETACHER SIZE 1 IN EXCELLENT WORKING ORDER THE TWO HEXAGONS MEASURE APPROX 26mm & 21mm ACROSS THE FLATS & IS 16cm LONG I BELIEVE THIS DATES FROM THE 1920s / 30s

www.worthpoint.com

Here's some KLG company history and photos of some KLG plugs, which make that tool make some sense.

KLG Spark Plugs (Smith Industries)

www.gsparkplug.com

It looks like your tool holds the larger hex section and turns the smaller one.

 

[Old Man Roger]

What's the use of a 2 part spark plug? Just to save the threads in the head?

 

[Skyman]

The link provided by mintgrun is worth a read.

 

[driftpin]

I used to use KLG sparkplugs on motorcycles back in the early 1970's, they seemed to give good service. At that time I used my motorcycle of the time as transportation, and for trail riding w/friends, including going up and down sand/gravel pits, which helped me to learn how to control a dirtbike. We old-timers called 'em 'enduros' instead of the acronym ADV popular today. The guys on the Bultacos, Montesas, and OSSA's, had off-road credibility because of the focus of their bikes on the 'off-road' part of the 'enduro' equation. The few on the Maicos always seemed to be capable of doing very well off-road. I was a Japanese 'enduro' rider, Honda & Yamaha were my brands of choice, because I needed something I could afford, and which had a ruggedness to survive the type of use I put them through. The Kawasaki and Suzuki riders were doing OK for both parts of the equation, but I wasn't an owner of either one of those for either off-road or enduro use.

I recall that KLG sparkplugs were used by both European and Japanese bike owners, without issues. It was common practice to carry a spare sparkplug with your two-stroke. The guys riding something like a Honda single cyl. or twin-cyl 4-stroke didn't seem to have to fuss with their sparkplugs as-much.

A lot of guys having single-cyl 2-strokes who didn't use a compression release valve in their two sparkplug ports cyl. heads, would just run two plugs, and if one appeared to foul-out, they would just swap the high-tension sparkplug lead from the fouled plug to the spare sparkplug, which could even be done on the side of a quarry wall, during your hillclimbing.

I didn't read the included thread link yet, but I'm going to now. I suspect the KLG two-hex design shown was for a specific type of powerplant for some machinery, which, I don't know. I suspect something older.

OK the link read was very interesting. The KLG story is very interesting! 'Used by Campbell and Segrave,' well, if you're familiar with LSR racing of the between (world) wars period, those are Big Guys.

CAPTAIN SIR MALCOLM CAMPBELL AND HIS BLUEBIRD LAND WATER SPEED RECORD VEHICLES SPEED ACES BIOGRAPHY MAJOR

Captain and sir malcolm campbell speed ace and his world record bluebird cars and boats, Brooklands, Goodwood, Daytona, Pendine Sands, Bonneville Salt Flats, Napier Lion, Reid Railton, Rolls Royce, Bluebird memorabilia and collectables, Unofficial biographical history.

www.bluebird-electric.net

Sir Malcom Campbell in the 1920's when he was using KLG plugs for his speedsters



I like the plastic container for the sparkplug. I recall when looking at sparkplugs for my MI friend's Meyer-Drake Offenhauser Indy car that they came in similar plastic containers, the cap was a lot taller, hex head shape, and bright red. I think in one of my old toolboxes I may still have one of those he gave me. It's not close-by otherwise I'd go snap a pic.

 

[Old Man Roger]

The link provided by mintgrun is worth a read.

I used to use KLG sparkplugs on motorcycles back in the early 1970's, they seemed to give good service. At that time I used my motorcycle of the time as transportation, and for trail riding w/friends, including going up and down sand/gravel pits, which helped me to learn how to control a dirtbike. We old-timers called 'em 'enduros' instead of the acronym ADV popular today. The guys on the Bultacos, Montesas, and OSSA's, had off-road credibility because of the focus of their bikes on the 'off-road' part of the 'enduro' equation. The few on the Maicos always seemed to be capable of doing very well off-road. I was a Japanese 'enduro' rider, Honda & Yamaha were my brands of choice, because I needed something I could afford, and which had a ruggedness to survive the type of use I put them through. The Kawasaki and Suzuki riders were doing OK for both parts of the equation, but I wasn't an owner of either one of those for either off-road or enduro use.

I recall that KLG sparkplugs were used by both European and Japanese bike owners, without issues. It was common practice to carry a spare sparkplug with your two-stroke. The guys riding something like a Honda single cyl. or twin-cyl 4-stroke didn't seem to have to fuss with their sparkplugs as-much.

A lot of guys having single-cyl 2-strokes who didn't use a compression release valve in their two sparkplug ports cyl. heads, would just run two plugs, and if one appeared to foul-out, they would just swap the high-tension sparkplug lead from the fouled plug to the spare sparkplug, which could even be done on the side of a quarry wall, during your hillclimbing.

I didn't read the included thread link yet, but I'm going to now. I suspect the KLG two-hex design shown was for a specific type of powerplant for some machinery, which, I don't know. I suspect something older.

Now Ive read ALL THAT and still don't know the use of the plug.lol

 

[Private Lugnutz]

What's the use of a 2 part spark plug?

They were taken apart for cleaning.

 

[MShaw]

Lots of older plugs were two part. The most notable was the C-3 which was used in model A Fords among others.