Reviews of NGK spark plug

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Based on 763 reviews and 2360 votes

2360 votes

Average rating ? The average rating is calculated based only on review ratings, excluding votes
4.0
Acceleration:
3.7
Idle:
3.5
Starting:
4.1

763 reviews

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NGK
Japan
ngk.de
No.1 in the rating

among 17 manufacturers

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Spark plug
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NGK Spark plug

i got a cheap 80cc kit a while ago and it ran awesome for about 3 months, then i let it sit for almost a year in a garage. Now rusted in some places, but still spins freely, and piston is intact. I just installed a centrifugal clutch and a pull starter, along with a new cdi and new coil, but it just wont start no matter what. I keep pulling and pulling and nothing. I even got a lower temp spark plug for it (NGK B7HS). Fuel is going in, carb seems to be working, i believe im using good enough fuel, tried many different fuel/air mixes... but nothing. Can anyone here please help me figure out what could be wrong? If you need any additional info please ask.

EDIT: after some back and forth with the comments, i decided ill try and disassemble/clean the carburetor, and maybe some other things suggested.

I also realize my formatting isnt the best, but this was one of the first few times i posted in reddit, ever...

And to address me just chucking in new parts suddenly? yeah, not the best move, i realize, but ill try and make it work, and a lesson learned.

Anyway, thank you for the help everyone! I very much appreciate it. Perhaps ill post an update on whether i managed to get it running or not

UPDATE: Today i tried most of what you all suggested and unfortunately, still nothing. I opened the carburetor, as clean as could be.

At this point, my only two suspecrs left is the crankshaft magnet getting misaligned, or im just not getting enough rpm with the pull starter, which is already kind of bogus because it produced a decent spark even when not pulling too fast

Pros: ran awesome, spins freely
Cons: won't start, rusted in places
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NGK Spark plug

Went with NGK spark plugs that was bundled with some generic wires and coils, not ideal but it’s all I could afford at the moment

Vehicle: Toyota
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NGK Spark plug

Pick up some genuine Audi R8 Red-Top coils (not kidding, much lower failure rate) and some fresh NGK Iridium spark plugs.

Pros: lower failure rate
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NGK Spark plug
Rating 5.0
  • Acceleration:

I had this very same problem where on my 07 V6 the acceleration and power was off. I had replaced my spark plugs with NGK Iridium plugs and after dealing with the horrible performance I decided to change them out for OEM platinum (copper) plugs. This made a huge difference and could immediately tell a night and day difference. Regained the torque and power that was missing.

Pros: Regained torque and power
Cons: horrible performance
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NGK Spark plug

I’ve been running NGK Ruthenium for a year now with 0 problems. Supposedly they last longer and are more stable with less dispersion according to NGK. Going to stick with them instead of Iridium or Platinum.

Pros: last longer, more stable
Vehicle: Infiniti
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NGK Spark plug

if you don't want to pay for VW boxes, NGK ruethiums are a killer deal on rock auto, I've run 2 sets through out alltrack without a hiccup, about 60K total.

Pros: killer deal, no hiccup
Vehicle: Volkswagen
Mileage: 60000 km
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