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Finally got my 125 cc bike (Cagiva Mito Evo 95)

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Bojje
Renault 5 Driver



Joined: 04 Jul 2004
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PostPosted: 11:40 - 22 Aug 2004    Post subject: Finally got my 125 cc bike (Cagiva Mito Evo 95) Reply with quote

Yepp yepp, finally got my Cagiva Mito Evo 125, year 95 Very Happy. This bike has been standing in the previous owners garage in 7 years! It has 160 cc polini. I saw that the Mito has 35 mm carburetor original, but my Mito has 34 mm Mikuni. Should I change to 36 mm or more?

When I first started it, I felt alot of vibrations, should it be like that? Maybe it's because of the 160 cc. Well anyways, here are some photos of the bike:

https://hem.bredband.net/bojan89/cagiva3.JPG

https://hem.bredband.net/bojan89/cagiva6.JPG

https://hem.bredband.net/bojan89/cagiva7.JPG

https://hem.bredband.net/bojan89/cagiva4.JPG

Otherwise the engine worked good. The carburetor started leaking gas... I don't have a clue why, maybe you guys know?

/Happy Mito owner Very Happy
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Bojje
Renault 5 Driver



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PostPosted: 12:09 - 22 Aug 2004    Post subject: Reply with quote

Oh, yeah forgot to ask something.

Do you guys know where I can download motofiches for Cagiva Mito Evo 95?
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Kickstart
The Oracle



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PostPosted: 13:04 - 22 Aug 2004    Post subject: Reply with quote

Hi

Setting a carb up to run right would not be that easy, especially if you are dealing with a totally different carb from a different bike. I would stick with what the bike had originally unless you fancy spending lots of time and money getting it to run right.

All the best

Keith
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Dude_Whooper
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PostPosted: 13:12 - 22 Aug 2004    Post subject: Reply with quote

Hey! That a nice bike, how much did you pay for it?
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Jrod
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PostPosted: 13:26 - 22 Aug 2004    Post subject: Reply with quote

I like that bike, alot. I actually like that more than any 125 I've seen Very Happy It's nicer than the RS, How much did it set you back then eh ? Cool
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Going2fast
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PostPosted: 15:39 - 22 Aug 2004    Post subject: Reply with quote

As others have said thats a very nice bike. Treat it well Thumbs Up
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Bojje
Renault 5 Driver



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PostPosted: 18:51 - 22 Aug 2004    Post subject: Reply with quote

Kickstart wrote:
Hi

Setting a carb up to run right would not be that easy, especially if you are dealing with a totally different carb from a different bike. I would stick with what the bike had originally unless you fancy spending lots of time and money getting it to run right.

All the best

Keith


Well since it has 160 cc I need a carb that provides gas better than the original, right?

If not, It won't go that good. I don't know if an original carb will fill the needs for the 160 cc. The carb that's on it now started also leaking gas, I don't know if I have to change it. Maybe it can be fixed some way. My dad says that it maybe is adjustable. Can adjustments be the solution?

According to the guy that we bought the bike from it has 42 hp with the 160 cc. Originally it has 33 or something like that.
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ace2004k
Nitrous Nuisance



Joined: 09 May 2004
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PostPosted: 19:38 - 22 Aug 2004    Post subject: Reply with quote

i very much doubt its 42hp, looks like the orginal exhaust 2 which wont help matters, i think the polini 160cc kit puts out about 35ish hp!

and if its got a 34mm carb, thats probly big enough for the 160cc kit!
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Stu_666
Brolly Dolly



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PostPosted: 19:40 - 22 Aug 2004    Post subject: Reply with quote

Oooh, that looks very nice does'nt it. Razz I was looking at one of them yesterday in the showroom and could'nt decide if I like that more than the Sachs 125. £4k for a new one is a lot of money though. Make sure you buy a nice big lock judging by the scrotes circling it already in the top picture Laughing
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bikedudextrm
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PostPosted: 23:24 - 22 Aug 2004    Post subject: Reply with quote

The standard carb is a 28mm, the 34mm carb you have fitted should be fine. The bike won't have no where near 42hp, according to the polini site the 165cc kits they sell take it to 34.1hp, so with the carb you should have about 35hp. That is rear wheel horse power, standard the bike has 33hp at the crank and about 30 at the wheel.

The bike won't last long with the kit, they never do. Talk to a few people on https://www.125ccsportsbikes.com/forums/ and you're find out. The crank just can't handle it. They are highly tuned for a 125 as standard so are not the most reliable bikes and fitting a big bore kit and all that don't help at all, it's a ticking time bomb.
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Ste
Not Work Safe



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PostPosted: 23:35 - 22 Aug 2004    Post subject: Reply with quote

Make sure you look after it and enjoy it. Smile

42bhp he is talking out his arse I'm afraid. As standard it will be putting out about 25-26bhp on a good day. With a 160cc kit and other bits it will be pushing about 30bhp at the wheel. All the figures claimed by the manafactures are very over exegerated and are claimed at the crank but they don't mention that bit loudly.
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california_rookie
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PostPosted: 23:41 - 22 Aug 2004    Post subject: Reply with quote

Beautiful bike. Looks brand new. Congrat's! Mr. Green
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Bojje
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PostPosted: 11:05 - 23 Aug 2004    Post subject: Reply with quote

bikedudextrm wrote:
The standard carb is a 28mm, the 34mm carb you have fitted should be fine. The bike won't have no where near 42hp, according to the polini site the 165cc kits they sell take it to 34.1hp, so with the carb you should have about 35hp. That is rear wheel horse power, standard the bike has 33hp at the crank and about 30 at the wheel.

The bike won't last long with the kit, they never do. Talk to a few people on https://www.125ccsportsbikes.com/forums/ and you're find out. The crank just can't handle it. They are highly tuned for a 125 as standard so are not the most reliable bikes and fitting a big bore kit and all that don't help at all, it's a ticking time bomb.


What if I don't push it that much and drive slow and easy?

Would it last at least 10.000 km?
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John
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PostPosted: 11:25 - 23 Aug 2004    Post subject: Reply with quote

Bojje wrote:

What if I don't push it that much and drive slow and easy?

Would it last at least 10.000 km?


I know nothing about engines, but I'd say just enjoy it until it does go pop, then get it fixed. Embarassed
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bikedudextrm
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PostPosted: 11:27 - 23 Aug 2004    Post subject: Reply with quote

You don't want to be pushing the engine too much, instead off opening it up for long periods of time it's best to do just in short bursts.

You may see 10,000km's or considerably more out of the kit if you look after it but if you don't you will be lucky to see half that. At about 5,000km's take the top end apart and inspect the condition of the piston, rings, bore, etc. As long as the kit was set up all properly there's not much too worry about, just don't rag it too much.

Enjoy your bike anyway, sorry if i bursted your bubble.
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Fallen Angel
Franny the Nanny



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PostPosted: 11:30 - 23 Aug 2004    Post subject: Reply with quote

Lovely looking bike!! Thumbs Up

Makes my wee 125 look like a push-bike!!! Sad
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bikedudextrm
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PostPosted: 11:34 - 23 Aug 2004    Post subject: Reply with quote

Also you can download a workshop manual for the older Cagiva mito from here: https://www.cagivaproject.com/manual.htm .

It may be for the older one but they have the exact same engine.

Forgot to say earlier that that's a lovely looking bike you've got, very good condition too Thumbs Up .
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mrchips
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PostPosted: 18:16 - 23 Aug 2004    Post subject: Reply with quote

It looks mint! Happy riding, and I'd imagine it will leave most 125s sitting.
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Scooby
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PostPosted: 18:36 - 23 Aug 2004    Post subject: Reply with quote

42bhp?! LOL

Probably 35bhp at the crank if you're lucky, but then again, I put tyres on wheels and not cranks Laughing
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Kickstart
The Oracle



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PostPosted: 21:28 - 23 Aug 2004    Post subject: Reply with quote

Bojje wrote:
Well since it has 160 cc I need a carb that provides gas better than the original, right?


Nothing "better" about it. You need the right mixture of air and fuel. A 34mm carb should be perfectly adequate to cope with a mid 30s hp engine. Most Mitos came with the Dellorto PHBH28 carb, but some had a larger Mikuni carb which might well be what you have.

Bojje wrote:
If not, It won't go that good. I don't know if an original carb will fill the needs for the 160 cc. The carb that's on it now started also leaking gas, I don't know if I have to change it. Maybe it can be fixed some way. My dad says that it maybe is adjustable. Can adjustments be the solution?


Yes the adjusments are normally possible. The leak is probably the float height level. You can adjust the fuel mixture by adjusting / changing the jetting. There is a mixture screw to adjust the mixture at VERY small throttle openings. For most of the throttle range the mixture is controlled by the shape and position of the needle jet. Full throttle mixture is controlled by the main jet. Note that unless you know what you are doing with these then trying to play around with a totally different carb is very likely to result in major problems (such as seizing the engine).

Bojje wrote:
According to the guy that we bought the bike from it has 42 hp with the 160 cc. Originally it has 33 or something like that.


Claimed was around 33, real would have been high twenties. Generally the big bore kits do not add that much ultimate power, mainly adding low down power. I would doubt that it is really producing much over 30hp.

All the best

Keith
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karen_moomin
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PostPosted: 21:32 - 23 Aug 2004    Post subject: Reply with quote

Very nice bike! Very Happy

I considered one of these for myself then decided on an NSR.

Safe riding. Thumbs Up
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Bojje
Renault 5 Driver



Joined: 04 Jul 2004
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PostPosted: 15:44 - 24 Aug 2004    Post subject: Reply with quote

Here's the problem with the carb according to the previous owner:
------------------------------------------------------------------------------------
Hello,
no no don't by a new caborator! You can try to knock on it an when
this
doesn't work the caborator must be cleaned again. I think that the
floater
doesn't work. You have to ask a motor bike station
beacause it is a problem which can happen to all motor bikes. Enclosed
please find an explosion picture from the caborator where you can see
the
floater. I got this out of the internet. The floater in the caborator
is
very sensitive against shocks (maybe transport).
-------------------------------------------------------------------------------------
Seems like it's no big deal thank god Very Happy
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 18:26 - 24 Aug 2004    Post subject: Reply with quote

Hi

Piece of rubbish in the needle valve or the float is sticking.

Probably worth putting a fuel filter into the line from from the tank to the carb.

All the best

Keith
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