oil mix ratio

racertyler · 09-23-2010, 10:27 PM

complet rebuild on 250,everyone is saying 32:1 that sounds good to me for break in but clymers manuall sayes 20:1 any sugestions would be appreciated

Felker2007 · 09-23-2010, 10:37 PM

Usually they run 32:1 from my experience.

joeblow · 09-24-2010, 01:11 AM

32:1 is very common. Some will even go 40:1. 20:1 is way too much oil. Hard to blow a motor with that much oil. I ran 40:1 in my LT250Rs. Makes mixing easy, too. Pint to 5gals. Keep in mind that changing ratios effects jetting on the two smokes. So pick a ratio and stay with it. That right, thats why I ride a thumper......no jetting every ride and no mixing!!!

fx4pitrone · 09-24-2010, 06:38 AM

32:1.... that manual was made back in the 80's-early90's when oil was not as good....

smokedya2 · 09-24-2010, 09:46 AM

in my sons cr80 i run 50:1 mix with amsoil full synthetic 2 stroke oil, the back of there bottle says you can run 70:1 with there oil but im not trying it.

Felker2007 · 09-24-2010, 10:12 AM

Quote:

Originally Posted by joeblow

thats why I ride a thumper......no jetting every ride and no mixing!!!

You've got it in a nut shell... lol

SICIST · 04-21-2011, 10:38 PM

32:1. I've run it on all my two stroke machines and to date, I've never blown a motor and rarely foul a plug if all your diagnostics are in order. 32:1 is a fail safe mix.

Motoman991 · 04-21-2011, 10:53 PM

I run 40:1 in all two strokes I have. 1 pint into 5 gal. Makes it easy.

CFM-Z440 · 04-22-2011, 01:37 AM

Depends on the oil too, I run Amsoil Dominator in my YZ250 at 50:1

CFM-Z440 · 04-22-2011, 01:38 AM

Crap... Look at the date of the first post

Ez400 · 04-22-2011, 09:18 PM

Quote:

Originally Posted by CFM-Z440

Crap... Look at the date of the first post

Lmao!

09-23-2010, 10:27 PM	#1 (permalink)
racertyler :::Rookie Rider::: Join Date: Sep 2010 Posts: 1	oil mix ratio complet rebuild on 250,everyone is saying 32:1 that sounds good to me for break in but clymers manuall sayes 20:1 any sugestions would be appreciated

09-23-2010, 10:37 PM	#2 (permalink)
Felker2007 :::Eiger Rider::: Join Date: Jan 2007 Location: New York Posts: 572	Usually they run 32:1 from my experience. __________________ *For Sale Thread* *Yellow 06 LTR450spFSs $4000 OBO* - CW474 bbk spa-Portedspa-Weisco std valves - UNI Filterspace-No lidspac -No Bafflespa - Nerfsspaceeee- Barsspace-Clutch Lever - Cherry Bombsp- Rear Beadlocks on 18s 07 LiE Z400SOLD Full System Yoshi Comp Series, NSHCs, drz base gasket, Bare Performance Box with 250R Filter, Stock Carb w/ ex boot, Programmable Dyna CDI, 7.06oz Removed From Stock FlyWheel

09-24-2010, 01:11 AM	#3 (permalink)
joeblow :::Mini LT80 Rider::: Join Date: Mar 2007 Location: Oregon dunes Posts: 188	32:1 is very common. Some will even go 40:1. 20:1 is way too much oil. Hard to blow a motor with that much oil. I ran 40:1 in my LT250Rs. Makes mixing easy, too. Pint to 5gals. Keep in mind that changing ratios effects jetting on the two smokes. So pick a ratio and stay with it. That right, thats why I ride a thumper......no jetting every ride and no mixing!!! __________________ A word to the wise ain't necessary - it's the stupid ones that need the advice Last edited by joeblow; 09-24-2010 at 01:14 AM. Reason: punctuation

09-24-2010, 09:46 AM	#5 (permalink)
smokedya2 :::LT250 Rider::: Join Date: Jun 2010 Location: Lansing, MI Posts: 776	in my sons cr80 i run 50:1 mix with amsoil full synthetic 2 stroke oil, the back of there bottle says you can run 70:1 with there oil but im not trying it. __________________ 2008 ltr450 LE murdered out (mine) http://www.suzukicentral.com/forums/...tml#post744310 2003 ltz with yoshi stroker motor (sold) December 2010 QOTM 2004 ltz limited edition drz kit and cams (wifes) 2004 nissan titan runs 13's (tow vehical) 2005 klx 110 with 143 big bore (my toy)

04-22-2011, 01:37 AM	#9 (permalink)
CFM-Z440 Super Moderator Join Date: Sep 2006 Location: Southern Minnesota Posts: 6,437	Depends on the oil too, I run Amsoil Dominator in my YZ250 at 50:1 __________________ 03 LT-Z 470 Max Power 12.5:1 94mm Piston, Hot Rods +5 Stroker Crank, Web Cams 539 (+6) IN / 539 EX, with Hot Cams sprockets, Ferrea +1 Valves, LTZ/DRZ springs (IN)DRZ springs (EX), DRZ Manual Decomp. Ported head, FCR 41 with Noss adaptor, Home made intake, Modified HMF Full System, Home made header, Trailtech flywheel, Dyna Programable 54hp 36ft lbs

09-24-2010, 06:38 AM	#4 (permalink)
fx4pitrone :::Z-250 Rider::: Join Date: Apr 2010 Location: CT Posts: 403	32:1.... that manual was made back in the 80's-early90's when oil was not as good....

04-21-2011, 10:38 PM	#7 (permalink)
SICIST :::Rookie Rider::: Join Date: Apr 2011 Posts: 3	32:1. I've run it on all my two stroke machines and to date, I've never blown a motor and rarely foul a plug if all your diagnostics are in order. 32:1 is a fail safe mix.

04-21-2011, 10:53 PM	#8 (permalink)
Motoman991 :::Ozark 250 rider::: Join Date: Apr 2011 Location: Amelia, OH Posts: 355	I run 40:1 in all two strokes I have. 1 pint into 5 gal. Makes it easy.

04-22-2011, 01:38 AM	#10 (permalink)
CFM-Z440 Super Moderator Join Date: Sep 2006 Location: Southern Minnesota Posts: 6,437	Crap... Look at the date of the first post __________________ 03 LT-Z 470 Max Power 12.5:1 94mm Piston, Hot Rods +5 Stroker Crank, Web Cams 539 (+6) IN / 539 EX, with Hot Cams sprockets, Ferrea +1 Valves, LTZ/DRZ springs (IN)DRZ springs (EX), DRZ Manual Decomp. Ported head, FCR 41 with Noss adaptor, Home made intake, Modified HMF Full System, Home made header, Trailtech flywheel, Dyna Programable 54hp 36ft lbs

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