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Premix 2T oil

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SpannerMonkey
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PostPosted: 13:14 - 19 Mar 2011    Post subject: Premix 2T oil Reply with quote

Can someone please recommend to me a good 2t Premix oil?
I wont be running silly ratios like 50:1, I usually run 35:1 or 25:1 It's not a high state of tune engine either... It's only an old 80's moped. But I want the best I can get for it really...
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fiveus
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PostPosted: 14:17 - 19 Mar 2011    Post subject: Reply with quote

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Wafer_Thin_Ham
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PostPosted: 14:22 - 19 Mar 2011    Post subject: Reply with quote

Castrol R
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SpannerMonkey
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PostPosted: 16:12 - 19 Mar 2011    Post subject: Reply with quote

Big_Ham wrote:
Castrol R

Pretty sure this is discontinued in the 2 stroke section cause I can't find it. But I do like the look of Castrol XR77... but at 19 quid a litre...Might be a bit TOO classy for me... especially at 25:1 mix.
probably looking around the 12-15 quid mark...
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.....
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PostPosted: 16:18 - 19 Mar 2011    Post subject: Reply with quote

I use Castrol TTS in my Gas Gas but at 50:1.

25:1 sounds quite oily.
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SpannerMonkey
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PostPosted: 16:20 - 19 Mar 2011    Post subject: Reply with quote

Joe wrote:
I use Castrol TTS in my Gas Gas but at 50:1.

25:1 sounds quite oily.

It is... But I like to be safer than sorry
Only run 25:1 on high speed runs. if I'm just pootling about town I'll run 35:1 but I see the risk as too high to run 50:1. No real benefits of running it that low either
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.....
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PostPosted: 16:27 - 19 Mar 2011    Post subject: Reply with quote

Adding too much 2 stroke can be a bad idea as it can make the engine run too lean.

Find out what the correct mixture is and use that.
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SpannerMonkey
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PostPosted: 16:32 - 19 Mar 2011    Post subject: Reply with quote

Joe wrote:
Adding too much 2 stroke can be a bad idea as it can make the engine run too lean.

Find out what the correct mixture is and use that.

I'm going by what gordon jennings says. And yes I am aware of this don't worry, Will all be accounted for when the new carb setup is applied.
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P.addy
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PostPosted: 18:20 - 19 Mar 2011    Post subject: Reply with quote

go 33:1

I use mobil1 2 stroke stuff. worked fine!
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SpannerMonkey
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PostPosted: 18:49 - 19 Mar 2011    Post subject: Reply with quote

##Paddy## wrote:
go 33:1

I use mobil1 2 stroke stuff. worked fine!


Worked fine? How do you know it worked fine? Did you check the piston, barell and such? Was there any damage? Not meant to sound sarcastic or anything I'm asking a serious question lol, have you checked for any damage after? =)
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P.addy
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PostPosted: 18:55 - 19 Mar 2011    Post subject: Reply with quote

I rode an RS125 and thrashed the balls off of it, it hit a ton every day and never had an issue, also had insane amounts of compression.

Yours is some gash moped.. it will be fine. Laughing
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Livefast123
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PostPosted: 21:35 - 19 Mar 2011    Post subject: Reply with quote

Motul 710 Thumbs Up
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prawny1
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PostPosted: 22:43 - 19 Mar 2011    Post subject: Reply with quote

I use 40:1 on my camino with decent premix oil thats with running a ported cylinder and stock crank.

Most scooter big bore kits recommend 33-1 when running premix so do most 2t motocross bikes etc.
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Raffles
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PostPosted: 23:04 - 19 Mar 2011    Post subject: Reply with quote

I use Putoline MX5 in my 2 strokes. It retails at around £11 per litre so is well within your budget.
Out of interest, why do you choose to randomly guess at what the mixture ought to be rather than following the manufacturer's recommendations? Do you feel that you know more about their engines than they do?
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SpannerMonkey
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PostPosted: 23:07 - 19 Mar 2011    Post subject: Reply with quote

Raffles wrote:
I use Putoline MX5 in my 2 strokes. It retails at around £11 per litre so is well within your budget.
Out of interest, why do you choose to randomly guess at what the mixture ought to be rather than following the manufacturer's recommendations? Do you feel that you know more about their engines than they do?


I feel they generalise a lot over the different types of oil.
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MarJay
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PostPosted: 23:16 - 19 Mar 2011    Post subject: Reply with quote

50:1 is usually fine for the road on anything vaguely road oriented.
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SpannerMonkey
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PostPosted: 23:39 - 19 Mar 2011    Post subject: Reply with quote

MarJay wrote:
50:1 is usually fine for the road on anything vaguely road oriented.
Usually... Would you buy an oil that said it was usually fine? I'd rather stick to high ratios
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Raffles
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PostPosted: 00:06 - 20 Mar 2011    Post subject: Reply with quote

Manufacturers usually make recommendations based upon specific standards. If you feel that you know better than them, or any of us, then just run it on pure oil or whatever mix that you deign suitable.
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evoboy
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PostPosted: 00:48 - 20 Mar 2011    Post subject: Reply with quote

Put anything in it.

It was designed to run on mineral oils, so itll run on that.
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MarJay
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PostPosted: 13:43 - 20 Mar 2011    Post subject: Reply with quote

spannermonkey91 wrote:
MarJay wrote:
50:1 is usually fine for the road on anything vaguely road oriented.
Usually... Would you buy an oil that said it was usually fine? I'd rather stick to high ratios


Facepalm.

No of course I wouldn't, but I can't tell you that it is DEFINITELY right unless I know more about the bike you're converting.

Converting a bike from injector to premix is an immensely silly thing to do unless you're racing, or the injector on your bike has failed.

Premix is not somehow better than injector pump. Plus as others have said, if you get the ratio wrong then you could run dangeously lean, or foul the plugs, or lose performance or lots of different consequences. Just randomly guessing a ratio is wrong, but if you're going to do it then you might as well hear as many opinions on the subject as possible.

I'd be willing to bet cash money that you'll either seize the bike through running lean or you'll lose performance through overoiling.

If you've got a working bike with a working injector pump then don't mess with it. Its a very very silly thing to do.
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SpannerMonkey
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PostPosted: 13:57 - 20 Mar 2011    Post subject: Reply with quote

Nope, it's premix as standard... I understand that I can run lean with the extra oil, so I'll alter fuelling to compensate when I sort my carb out, also run a hotter plug to keep fouling to minimu (Well as high as I can without certain adverse side effects Evil or Very Mad )

I guess it's more of a personal security thing than a performance thing

I also understand that the more oil I use, the less cooling effect the incoming petroil mixture has on the engine.

Is there anything else I should be aware of? Confused
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