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Cagiva 2 stroke premix ratio?

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Ol
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PostPosted: 19:08 - 07 Sep 2013    Post subject: Cagiva 2 stroke premix ratio? Reply with quote

Have got an old Cagiva 125 crosser (1987 Elefant I believe) - the guy I bought it off was mixing the oil at 32:1 but I've seen a few mentions on other forums suggesting running 45:1 or 50:1.

Wondered if anyone had any opinions??

Also, is it alright to use regular 10w 40 oil in the gearbox / clutch??

Any advice is much appreciated
Olly. Karma

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prawny1
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PostPosted: 19:25 - 07 Sep 2013    Post subject: Reply with quote

That should be auto lube surely?

If you are running premix the jetting on an auto lube bike would need to be altered as any oil in the fuel will lean out the air fuel ratio and the bike will run hot.

It can lead to a situation where even though you have sufficient oil in the mix you can still seize up.
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Ol
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PostPosted: 19:44 - 07 Sep 2013    Post subject: Reply with quote

There's no separate oil filler, and being nearly 30 years old I just assumed it would be premix as standard... Will look into it Thumbs Up Thumbs Up
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stirlinggaz
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PostPosted: 20:56 - 07 Sep 2013    Post subject: Reply with quote

hi,
elefant is deffo premix only, auto lube wasnt available until a couple of years later.(i think the last elefants were 1988, 1st bike with auto lube was mito mk1 which came out 1990, in between was frecia, also pre-mix)
iirc any light gear oil is fine.... Thinking
premix 33 to 1, wouldnt go as far as 50/1, maybe 40/1 max. only way to tell is by riding it, & plug chop at wot,(so get a couple of new spark plugs Wink )
would put in best 2t oil i could afford,& the last time i rode one (in lucky explorer colours) it seemed to like being thrashed at above 8500rpm. Shocked
definately a bike worth keeping in good nick as becoming rarer & rarer....22bhp isnt bad, especially with a decent sprocket set up for the road...a bit trickier getting decent road going tyres though...
cheers,
GAZ,
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Ol
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PostPosted: 21:01 - 07 Sep 2013    Post subject: Reply with quote

Cheers Gaz, good advice - It's never going to be on the road, it's only for messing about off road.
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G
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Joined: 02 Feb 2002
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PostPosted: 21:03 - 07 Sep 2013    Post subject: Re: Cagiva 2 stroke premix ratio? Reply with quote

Remember richer 2 stroke mix will mean leaner fuel/air mix and the other way around for leaner.
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Kickstart
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Joined: 04 Feb 2002
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PostPosted: 22:05 - 07 Sep 2013    Post subject: Reply with quote

stirlinggaz wrote:
hi,
elefant is deffo premix only, auto lube wasnt available until a couple of years later.(i think the last elefants were 1988, 1st bike with auto lube was mito mk1 which came out 1990, in between was frecia, also pre-mix)


Freccia was not premix, having a conventional 2 stroke pump. Fairly likely that Elephant originally had an oil pump.

All the best

Keith
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