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Post by Lucass2T on Mar 6, 2024 1:20:39 GMT -5
Top racing or Jasil. They are top quality products. Rito also makes great cranks. My ya50 axis has a Twins Racing built hybrid, a polini evo/malossi rhq combo. It wasn't expensive and hasn't failed yet on my 70mph daily. You might find it on Marktplaats.
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Timmer
Scoot Enthusiast
Posts: 128
Location: Mechelen, Belgium
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Post by Timmer on Mar 6, 2024 7:58:52 GMT -5
Bike looks amazing. So jealous of the bikes you guys get overseas. Wiring I would just tear it out, and retrace wires and make your own wire harness. That way you can do the wiring and put things where you want them and not in some wierd places that the factory decided they should go. Always hated to have to rip off the front end just to get to the relays or voltage reg when they could have just placed it somewhere else. I overlooked this post, sorry. we get some fun scooters around here, but weāre limited to 25 or 45km/h. thatās where i envy you, just register it as a bike and boom, make it go as fast as you want (or can). We canāt, as the chassis is registered as a scooter. We do have some aerox or BWās 100cc, which put them in the motorcycle category, but then the certificate of confomity comes into play. and for the wire harness, a new one for ā¬90 (harness and cdi) is an acceptable price for me. As for placement for access, i donāt mind taking off the front end to get to it, itās not too much labour. And those are also the last items to go back onto the scooter, so as long as iām tinkering with it, iāll have access to it anyways. It did cross my mind to make a new one, but itās been cut/modified on every extremity, so i would have to base everything off the electrical diagram, and at that point itās more time/cost effective to just get the new one. Top racing or Jasil. They are top quality products. Rito also makes great cranks. My ya50 axis has a Twins Racing built hybrid, a polini evo/malossi rhq combo. It wasn't expensive and hasn't failed yet on my 70mph daily. You might find it on Marktplaats. Iāve found the top racing and jasil, but iāve had zero experience with jasil. Back in the days, polini, doppler, metrakit, hebo and malossi were the reference brands. (Iāve probably forgot some but hey, itās been 20years  Iāll have a search for the polini/malossi hybrid, thx! |
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Timmer
Scoot Enthusiast
Posts: 128
Location: Mechelen, Belgium
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Post by Timmer on Mar 6, 2024 15:20:04 GMT -5
I had some time to tear down the nitro, removed all fairings, radiator and hoses, and finally took a look at the cilinder. As for the fairings, i was mistaken for the legcover. Itās an ok paintjob, but now that iāve checked it thoroughly, iām debating whether to keep it or sell it and get a new one. The radiator was in a better condition than i expected it to be, as were the small hoses and the expansion tank. The hoses around the cilinder were so abused, they were punctured, which may explain the leaking underneath. And speaking about leaking; there was a rather large amount of fuel waiting to be discovered in the exhaust pipe. The exhaust, i donāt have a picture yet, but there was some frankensteining done to it i think, iāllget back to this once i have a picture. Now; when it comes to the cilinder and piston, itās not the worst iāve found, but yeahā¦    Iāve measured it at 47mm, and it seems to be a 70cc malossi cast iron. The piston is, well, you can check the pic, but i think iāve seen zebraās with less stripes. The cilinder itself doesnāt have too many marks inside, but,i can feel them when i go over them with my finger, so thatās not good either  and i didnāt find any circlips holding in the pin through the pistonā¦ |
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Post by aeroxbud on Mar 6, 2024 15:55:00 GMT -5
No circlips! š² That's a new one.
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Timmer
Scoot Enthusiast
Posts: 128
Location: Mechelen, Belgium
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Post by Timmer on Mar 6, 2024 23:19:10 GMT -5
aeroxbud : it was a new one for me as well, but from what iāve seen so far, the master mechanic before me did an awesome job at weight reduction. No circlips, half the screws missing from the fairing, and iāve counted 5 bolts in the cvt cover iso 12. Iām honestly curious as to what iāll find when i open that  . I,might do that this afternoon, depends on the weather and family.
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sinfull
Scoot Enthusiast
Posts: 413
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Post by sinfull on Mar 7, 2024 1:40:47 GMT -5
Circlips, are probably what ate the cylinder. You may find the remains in the case or the exhaust
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Timmer
Scoot Enthusiast
Posts: 128
Location: Mechelen, Belgium
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Post by Timmer on Mar 8, 2024 3:35:03 GMT -5
The frankenpipeā¦ I think someone had a Hebo racing for a certain type, and modded it (well, tried to) to fit a mina hori LCā¦ I have no idea what to do with it, maybe if i can find a good welder iāll ask them to adapt it correctly, i dunno.   The vario seems to be missing part of a fin, and the clutch housing doesnāt seem oem either. I havenāt opened the clutch and vario just yet  The reeds are worn, and the intake manifold it trash, itās cracked and worn out.  As for the carb, itās a 17.5, but does not have a brand or anything else on it. |
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Post by Lucass2T on Mar 9, 2024 2:32:33 GMT -5
What a wonderful mechanic has been working on this. Yeah unfortunately this is not anything out of the ordinary when you let 16yo kids fix their own vehicles. Looks like it has a malossi wingbell. And the cylinder is salvagable.
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Timmer
Scoot Enthusiast
Posts: 128
Location: Mechelen, Belgium
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Post by Timmer on Mar 9, 2024 5:02:51 GMT -5
What a wonderful mechanic has been working on this. Yeah unfortunately this is not anything out of the ordinary when you let 16yo kids fix their own vehicles. Looks like it has a malossi wingbell. And the cylinder is salvagable. Hereās the catch, i bought it from a 30+ year old person. And yeah, i can have the cylinder honed, and put an oversize piston in it. But i may just look for a new kit altogether, still havenāt decided if iām keeping it stock ( and drive it for fun and to work) or if iām going 70/86/100 and risk it  iām going to tear it down to the last bolt and screw, which should be easy as half of them are missing. @lucass2t , you know any vendor/place that sells a complete set of screws and bolt for these? Iād probably be able to source them all individually, but i donāt have the complete reference set, and the manuals refer to them as itemnrs, without actual dimensions. (See attached image)  |
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Post by Lucass2T on Mar 9, 2024 10:42:41 GMT -5
What a wonderful mechanic has been working on this. Yeah unfortunately this is not anything out of the ordinary when you let 16yo kids fix their own vehicles. Looks like it has a malossi wingbell. And the cylinder is salvagable. @lucass2t , you know any vendor/place that sells a complete set of screws and bolt for these? Iād probably be able to source them all individually, but i donāt have the complete reference set, and the manuals refer to them as itemnrs, without actual dimensions. (See attached image) Nope I don't unfortunately. But it is quite easy to figure out what kind of screws and nuts and bolts you need when you look up the OEM parts lists. You might want to buy all stainless, looks pretty. |
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Post by aeroxbud on Mar 9, 2024 15:33:53 GMT -5
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Timmer
Scoot Enthusiast
Posts: 128
Location: Mechelen, Belgium
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Post by Timmer on Mar 16, 2024 13:51:10 GMT -5
I gutted the engine to the last part. Where do i beginā¦  When i had a look at the transmission, i got afraid. If a mechanic canāt even follow an arrow, who knows what lays aheadā¦  Well, it was actually ok. I mean sure, the startermotor was present, but beyond that the idle gear plate, starter clutch assembly, thatās gone or missing. The rollers/weights ( what are they called in English? were obviously used, but where those that you can change the weights. Also, it turns out itās a Hebo vario. Too bad itās missing a piece of a fin, might reuse the vario if i can. Weights are going to get swapped anyways. As for the clutch, seems to be a MHR Delta clutch, white springs and a black spring, no references found on these. Will inspect the clutch, probably will reuse this one too.  
(Notice how someone left a very professional mark, while opening it the incorrect way) Now, for the gears, it looks like the original gears, i think i counted 13/43, havenāt counted the primary gear as usually on minarelli the change the second gears..  also, that wasnāt liquid like it should, was rather silvery, and was an āoh just f***** greatā-momentā¦ i donāt have a pic of the gears, but there is a small mark on on of the pinionsā¦ also found a crack in the enginecase (by accident, i was trying to clean it a bit)   it looks ok, maybe iāll try to find someone who can weld aluminium. another surprise, was the crankshaft.    it came with a full crank, a rattling bearing (c4ās nonetheless) and a shot oil sealā¦ so at this point, Iām honestly thinking: what the hell did i buyā¦ but, iāve not decided to throw the towel into the ring just yet, letās see what comes along next. also, i did this so i have something to occupy myself and clear my mind, so itās not really about the financials (well, within certain limits of course). |
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Post by aeroxbud on Mar 16, 2024 19:38:18 GMT -5
Some one has fitted a full circle crank. So it's definitely been apart before.
So much carnage by previous owners. It's just like mine, except mine is a lot newer. It really does make you wonder about some people.
That crack should be able to weld okay. It's usually engine cases which have oil that seeps into the cases caused problems to weld.
Check the breather on the gearbox. That where one of my Yamaha bikes got water into the gearbox from.
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Post by Lucass2T on Mar 17, 2024 9:55:03 GMT -5
Drill a small hole at the end of the crack. It prevents it from going any further. You could fill up the hole with JB weld.
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Timmer
Scoot Enthusiast
Posts: 128
Location: Mechelen, Belgium
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Post by Timmer on Mar 17, 2024 12:35:34 GMT -5
Drill a small hole at the end of the crack. It prevents it from going any further. You could fill up the hole with JB weld. I remember doing this with glider canopyās, never thought iād use that on a scooter. also, i didnāt even knew we had JB weld on this side of the Atlantic  was looking at cold welding or finding a local professional welder, but after having a quick search, it seems JB Weld is a cheap solution. i just have no experience what so ever with it, so iām doing some professional high level research (mindless youtube scrolling) to get up to date on the subject . |
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. I,might do that this afternoon, depends on the weather and family.
