I need help in finding the right spark plug for my 125cc engine

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SuperBIGBobby

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Hi,

Im in a situation where i've lost my spark plug and can't find it anywhere. So would anyone happen to know what spark plug fits the engine? If someone happens to have the same engine, please check for me!

It's a Lifan engine (TZH157FMI)

Thanks in advance!
 
Welcome to Minirider's

Get the formality's out of the way first, drop in here and Introduce Yourself

Is your engine a Horizontal ?
Is the spark plug hole 10mm diameter ?
If so it should have a C7HSA NGK

7758.jpg


Cheer's, Craig
 
Ok, try an NGK D8EA then
I had an old Ducar 125 that used the same spark plug

Plug Specifications

Thread Size: 12mm
Hex Size: 11/16" (17.5mm)
Reach: 19mm (3/4")
Seat Type: Gasket
Gap: .028" (0.7mm)
Heat Range: 8
Terminal Type: Threaded Stud
Resistor: No
Thread Pitch: 1.25mm
 
Last edited:
Tanks again, but the NGK D8EA didn't fit either. It was way to big. I also tried These two: ngk cr7hsa and
ngk cr7hs. But they didn't do the trick either.

I feel like I've done all the research I can do but can't find anything helpful.
 
You'll need to find out what the thread size is then.
Sound's like someone may have retapped the thread at some stage, they aren't hard to strip the thread in the head if you over tighten the spark plug

The C7HSA, CR7HSA and CR7HS are all 10mm thread, the D8EA is the next thread size up at 12mm
Can you post up a picture of the head and spark plug hole, show any marking's on the head in your pic's too

This thread help's explain how to post pic's if you have trouble
http://www.miniriders.com/general-c...ers-old-new-few-helpful-tips-hints-ideas.html
 

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