2001 CPI muskito/Oliver

[Zino]

That hose is not needed with your new pipe is was to feed the catalytic converter on the old pipe .
Just verify that hose doesn't feed off your air box or you will be running Leaner .
On the Zuma it runs into the air box so when we delete it we plug the extra hole in the air box .

I took a piece of card board and traced out my exhaust bracket for a custom bracket and how it mounted up and punched a hole where the second hole needed to be he punched a slot so I had a little play .

[baywatch7737]

I gotcha zino, exactly what I was thinking. Trace a cardboard template and see what my guy can do. Cool that recirculating hose is not needed, good to know. We put a 95 main jet in the genuine got the pipe right on the exhaust port and tried to start it and it won’t run. So I was thinking we jetted it to rich so I popped the air box off to see if it would run with more air. It would start up with no air box if I’d give it some throttle but as soon as I let off it does again. So my next thought was maybe I can lean it out with the air screw, we’ll guess what? The stock carb on the rough house doesn’t have an air adjustment screw lol. We’re gonna take the carb out again and put a 90 in, I should have realized with an 82 main stock it wouldn’t need a huge amount of up jetting. I’ll let you know how it goes and post pics of the recirculating hose removal when I can.

Haven’t got a chance to mess with the CPI yet but I got my jet set and Malossi cdi in the mail yesterday. I decided I’m gonna see if I can adjust the throttle cable before I go ahead and order a new carb or cable.

[Zino]

That is a bad design to not allow you to change the idle mixture it forces a carb upgrade if you do any modding.

[aeroxbud]

A 90 main jet should not be too far out. Every bike is different though.

[baywatch7737]

Zino, it’s a terrible design! I had my boy take it apart again and put in the 90 Mj, with a little adjusting of the idle screw I got it to run ok but not perfect. She’s still a little hesitant doesn’t have that crisp idle and revving like it should. Found a Malossi 19mm carb specifically for the genuine on my trusty Scooterpartsco, 130$. Not bad considering a genuine part is 200$+ for a carb with air adjustment:(. The tec pipe sounds good though. I haven’t made the template yet but will try to get it to my guy before I go to the beach next week.

CPI update, I took all the slip out of the throttle cable I could possibly get using the adjusters on the cable itself both at the throttle and at the carb. It’s loads better but unfortunately not great. I’m gonna nite the bullet and get a new carb and throttle cable, I’m lucky my carb I can get for less than 30$ it will be nice for tuning if I need to adjust jetting or something I can set up whatever carb isn’t on the bike and just swap carbs and change jets at my leisure. I installed my Malossi cdi yesterday, went fairly simple, plug and play really. Anybody got input on me putting a bigger jet in with pretty much the stock set up? I’ve heard just resetting the stock setup can give you a little boost. I’m still eyeing that yasuni r hard for my bike and really am having trouble deciding between that and the next r. I think next for both of us is tuning the transmissions, after we have them running real nice of course. for my boy that means roller tuning. He got a tuning set on eBay I’ll have to double check the size to tell you guys though. As far as mine goes I know I want a Malossi variator so I’m gonna get that and tune it. I saw on Scooterpartsco that they sell the Malossi multivar and then separately sell the front of the variator assembly so depending on the price I might get that while I’m at it. Input? My bike has about 5k miles on it, since I’m messing with the trans anyways I should probably get a new belt too right?

Alas, with his pipe set up I should probably change his contra and clutch springs right? Input on which colors to go with?

[geoffh]

It shouldn't,t need a belt just yet but there,s no harm having one ready when it reaches the wear limit quoted in your manual,be careful when ordering the belt that you get the right size,when you are changing parts change one thing and test so you know what changes what,use a variator locking tool and torque wrench,

Geoff

[baywatch7737]

Ok Geoff I’ll keep that in mind, one thing at a time. That much I can do. Can someone post a link to a throttle cable? There are soo many to choose from in a wide variety of prices.

How would one go about making sure to get the right belt? Measure it somehow?

Torque wrench I got, variator locking tool though. Where would I get one?

I gotta change my spark plug as well, as far as the variator goes though I found the Malossi one that says it’s for the model with a 16mm crankshaft? Is that diameter?

[Zino]

Just verify the malossi variator face works with the malossi variator on the genuine platform.
Those scoots have solid engines .
Geoff is giving good advice about belts There is a lot of variance in belt lengths a 750 belt from polini and a 738 bando basically are the same size for the zuma ,I am a very big fan of the variator locking tool paired with a torque wrench I would add those on my next order if you have one .
You pick upalot of performance in a well tuned transmission .
If you go with either pipes you will need to get lighter weights then stock so you stay in the middle of the power band and a medium or hard clutch springs so that you get a good launch.

[baywatch7737]

Sounds good, I found a locking tool on eBay I’ll order it soon. I gotta make sure I say which scooter I’m asking which question about.

CPI- my bike, got the cdi hooked up. Found out my plug is shot so I’m picking up some new ones on my way home today. It’s my bike I’m asking about the variator for. My son is cheaping out for now on the variator. I’m looking to order from Scooterpartsco a Malossi variator both the variator itself and the front part of it as well. Since I’m changing rollers and variator I should change clutch springs as well right? Anybody got any advice on which color to start with? The variator comes with a new contra spring so that much I’ll have. I got a new carb and throttle cable on the way as well. So I’ll put my new spark plug in and then change the cable and carb and report back on that. Then I’ll get my variator on and working and then which ever exhaust I get.

Roughhouse- my sons, got the exhaust on still running a little funny. I told him we should go ahead and get the carburetor with adjustments before we go any further with it. Make sure we got it running solid before we get into the variator tuning.

[Zino]

Clutch springs you change when you get a new pipe .
So you have better take off Because the clutch engages at higher rpm .
Medium and Hard springs , I find I need most often .
They are a wear item so I buy them from multiple sources whoever has a good price .

Partsforscooters has contras ,clutch springs ,belts,jets,variator weights at good prices and ships free at 100 bucks .
They are easy to get advice from on the phone and are very helpful getting you the right stuff

I have bought a good chunk of malosssi stuff off scooterpartsco. year round they have real good prices on malossi.
I really only converse with them through email.
You have to know what you want when orderering from them .

The malossi white contra works real well I like the malossi torsion controller it keeps the contra from binding but it also preloads the white contra almost making work like the next tension up spring the yellow .

[Zino]

Measuring Belts
put mark on the belt then mark a flat surface and start rolling the belt from there till it the mark has fully rotated and touches the table again measure from point to point on table .
Heres a thread showing Ryan dialing in for a belt size .
49ccscoot.proboards.com/thread/24543/top-performance-td-belt-length

Variator locking tool I got one from scooterpartsco

Clutch Springs Scooterpartsco has a 3 pack of malossi springs

[baywatch7737]

Awesome, thanks zino. Been on vacation for a week in ocean city md. Saw a lot of scooters, mostly people renting junk 4 strokes. It’s the best way to get around in the city like that. Excited to get back to work on the scooters. I’ll post updates soon.

My cpi -My carb and cable are waiting on me at home. Hoping I don’t need to order a new grip and throttle housing as well. I put a new spark plug in before I left.

Roughhouse- waiting on the bracket to make the tecnigas pipe. Trying to tune it to run right. Debating getting the aftermarket carb for it but leaning towards it for ease of further tuning

[baywatch7737]

Hey guys quick question, on my cpi I have it taken apart with the variator off. I counted 17 splines on the end of the crank but to be sure I’m picking up a caliper to measure my crank on the way home today. Do I measure it where the splines are, or the very end of it? And I’m measuring to confirm whether I have the 16 or 13 mm shaft correct? The 13mm being the 10mm wristpin model that uses the variator like the Zumas or the 16mm being the 12mm wrist pin model that would use the variator for keeway/ more modern Chinese minarelli engines? Anything particular I need to look for when getting a variator locking tool? When I buy a Malossi variator for my bike will the rollers be a different size than the stock ones? Thanks again guys, I’m back from vacation and ready to wrench

[mrchilled85]

Jun 15, 2020 10:31:30 GMT -5 baywatch7737 said:

Hey guys quick question, on my cpi I have it taken apart with the variator off. I counted 17 splines on the end of the crank but to be sure I’m picking up a caliper to measure my crank on the way home today. Do I measure it where the splines are, or the very end of it? And I’m measuring to confirm whether I have the 16 or 13 mm shaft correct? The 13mm being the 10mm wristpin model that uses the variator like the Zumas or the 16mm being the 12mm wrist pin model that would use the variator for keeway/ more modern Chinese minarelli engines? Anything particular I need to look for when getting a variator locking tool? When I buy a Malossi variator for my bike will the rollers be a different size than the stock ones? Thanks again guys, I’m back from vacation and ready to wren

just to let you know my chinese minarelli horizontal engine has a 15 spline 16mm for the variator but 10mm wrist pin

so make sure your right be for you order 

[baywatch7737]

I gotcha mrchilled, I’m just worrying about the variator right this minute. I figure I’ll actually have to pull my cylinder and check the wrist pin when that time comes. I measured across the splines and I do have the 13mm crank so it looks like I’ll have to order the Yamaha models of the Malossi variator.

Looking at variator locking tools and from what I can see there’s two types, one that looks like a flat bar with teeth on it near the middle. And another type that opens similar to pliers. The second type looks like it also works for clutches?

Anyone have a preference? From what I see and am thinking it seems like I should spend the extra bucks and get the multi purpose one. They are all over eBay but If someone would make a recommendation and post a link I’d be pretty grateful.

Update on the CPI, as I said in my last post I got my new carb and throttle cable in the mail. I flipping hate changing throttle cables cause you gotta take so much apart to do it. Worried I might have to replace the actual throttle and cable housing as well. Has anyone replaced there’s and could make a recommendation about which to order?

Last question. My boys genuine was in pretty darn good shape when we got it, it actually had all the body screws and cosmetics were nice.
My cpi on the other hand seems like the guy who owned it just kinda did the bare minimum to keep this thing moving, I’m missing a crap ton of body panel screws and clips for the screws to actually screw into. I’ve seen body panel screw kits for dirt bikes, anyone know if maybe there is a specific kit for scoots or maybe body panel screws are mostly universal? Thanks again guys, going to work on our bikes again wed or Thursday. I’ll post tomorrow about the brake work we need to do on the rough house