Planet Minis

leirhiht · 10-14-2009, 10:21 AM

i got a chinese 86cc engine. i go to NGK's website to see what plug i need by typing in the engine size.
what size engine should i look for a plug for? a 50cc or a 70cc or a 90cc??

rc164racer · 10-14-2009, 11:13 AM

cr7hsa is the plug u want.

leirhiht · 10-14-2009, 11:32 AM

Quote:

Originally Posted by rc164racer

cr7hsa is the plug u want.

WHEN i search for the plug on NGKs site it tells me cr5hsa. i want a racing plug if they have it... so whats the difference in the number you gave me and the number theyre giving me?

rc164racer · 10-14-2009, 11:35 AM

hotter spark. I run cr8hsa in my 88 kit.

leirhiht · 10-14-2009, 11:41 AM

Quote:

Originally Posted by rc164racer

hotter spark. I run cr8hsa in my 88 kit.

ahhh ok so the higher the number the hotter the spark? or is it the other way around? should i get that cr8hsa or 7? id like a racing plug but i cant find em...

rc164racer · 10-14-2009, 11:47 AM

smaller number=hotter the plug. check this tread out. RC125SX Spark Plug

leirhiht · 10-16-2009, 07:32 PM

Quote:

Originally Posted by rc164racer

cr7hsa is the plug u want.

I ordered some cr7hsa plugs and they sent me cr7hs. Will this work??

dirtbkr188 · 10-16-2009, 08:25 PM

...yep...

fiddy4ever · 10-16-2009, 08:38 PM

should be fine!!!!

mxsuz121 · 11-19-2009, 01:33 PM

Buy your plug from motosport.com Just search NGK spark plug and you will see many race plugs. CR8HSA reccomended for big bore kits, CR6HSA if not. I ran the 6 in my bike while it was a 50cc for years and it always performed well and rarely fouled.

10-14-2009, 10:21 AM	#1 (permalink)
leirhiht 1st Gear Member Join Date: Sep 2009 Location: DALLAS, TEXAS Posts: 107	Crf50 spark plug i got a chinese 86cc engine. i go to NGK's website to see what plug i need by typing in the engine size. what size engine should i look for a plug for? a 50cc or a 70cc or a 90cc??

10-14-2009, 11:13 AM	#2 (permalink)
rc164racer 2nd Gear Member Join Date: Sep 2008 Location: Brisbane, CA Posts: 917 My Mood:	Re: Crf50 spark plug cr7hsa is the plug u want.

10-14-2009, 11:35 AM	#4 (permalink)
rc164racer 2nd Gear Member Join Date: Sep 2008 Location: Brisbane, CA Posts: 917 My Mood:	Re: Crf50 spark plug hotter spark. I run cr8hsa in my 88 kit.

10-14-2009, 11:47 AM	#6 (permalink)
rc164racer 2nd Gear Member Join Date: Sep 2008 Location: Brisbane, CA Posts: 917 My Mood:	Re: Crf50 spark plug smaller number=hotter the plug. check this tread out. RC125SX Spark Plug

10-16-2009, 08:25 PM	#8 (permalink)
dirtbkr188 3rd Gear Member Join Date: May 2004 Location: New Jersey Posts: 2,972	Re: Crf50 spark plug ...yep...

10-16-2009, 08:38 PM	#9 (permalink)
fiddy4ever 2nd Gear Member Join Date: Aug 2009 Location: Socal IE Posts: 524 My Mood:	Re: Crf50 spark plug should be fine!!!!

11-19-2009, 01:33 PM	#10 (permalink)
mxsuz121 PM Newbie Join Date: Oct 2009 Location: Owensville OH Posts: 7	Re: Crf50 spark plug Buy your plug from motosport.com Just search NGK spark plug and you will see many race plugs. CR8HSA reccomended for big bore kits, CR6HSA if not. I ran the 6 in my bike while it was a 50cc for years and it always performed well and rarely fouled.

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