Tygon

**Charli** · 05-06-2021, 01:37 PM

Ok, what is the part number for the good, Jay Smith endorsed, Tygon tubing. I see so many part numbers, then Jay put a part number up then a few posts later said it was the wrong one but it will work?

Please tell me the McMaster part number for yellow Tygon that will resist fuel.

**25two.stroke** · 05-06-2021, 01:50 PM

Jay Smith:

I’ve used tygon tubing ( fuel and lubricant grade ) I buy from McMaster Carr for 25 years never had any issues with any instillation anywhere on any Mercury V-6 , maybe the product your using has to thin a wall thickness OR it’s not rated for fuel lubrication application ?? I also secure it to every barb with ty straps ...I use at least 1 50’ spool a month
Part # 5552k23 from McMaster - Carr ......404 346 7000 Atlanta , Ga.
BTW Every 2.5 V-6 High Performance Motor ever made that came from racing division came stock with the same yellow tygon I use daily ??

MY BAD I put wrong McMaster part number up the number listed is correct !!!That former number was the bigger tygon I use for water line from poppet to top of block , steel sleeved motors!!!
Jay

Last edited by Jay Smith; 06-05-2019 at 12:06 PM.

**25two.stroke** · 05-06-2021, 01:52 PM

It all gets hard after a while, no matter what you use. The black fiber reinforced stuff used on factory carb motors lasts longer but its not as pretty...

I choose pretty/service regularly rather than ugly/lasts forever

**Charli** · 05-06-2021, 02:08 PM

So even when he says, "my bad I put the wrong Mcmaster up" was he speaking of the phone number?

So, 5552k23 is correct? ok

**25two.stroke** · 05-06-2021, 02:22 PM

Yeah what you see there is correct. The number he posted before he edited it was the 1/4 or 3/8 line used for water I think.

**Charli** · 05-06-2021, 02:41 PM

I just ordered 25ft. Thanks brother

**nelson edens** · 05-07-2021, 06:38 AM

https://www.usplastic.com/catalog/it...4379&catid=864

**stoneman** · 05-07-2021, 08:25 AM

What about TY wraps made for fuel line or tubing? The specialized one that have the rounded head that seal better?
Anybody have a line on them?

**rjdubiel** · 05-07-2021, 09:04 AM

Originally Posted by stoneman

What about TY wraps made for fuel line or tubing? The specialized one that have the rounded head that seal better?
Anybody have a line on them?

just google hose zip ties and you will see plenty!

**25two.stroke** · 05-07-2021, 10:05 AM

None of them look adequate for 1/4" o.d. lines. I typically use regular mini zip ties; they work if they are not too tight.

**Charli** · 05-07-2021, 11:38 AM

Originally Posted by stoneman

What about TY wraps made for fuel line or tubing? The specialized one that have the rounded head that seal better?
Anybody have a line on them?

The ones you get from Mercury? Or am I thinking about the fuel injector tie wraps?

**25two.stroke** · 05-07-2021, 11:41 AM

They are one and the same. Zip ties with ears so they dont deform the hose when you tighten them down. I have never seen mini ones though. Only ever seen small spring clamps.