Custom 70cc engine build

Is it worth it or stupid?

  • YES

    Votes: 20 62.5%

  • Hell no

    Votes: 2 6.3%

  • Kinda

    Votes: 4 12.5%

  • YES

    Votes: 3 9.4%

  • Nah I'll pass

    Votes: 3 9.4%
  • Total voters
    32
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It's a tiny little bugger of a magnet from what I could see in the vid. didnt see Colling fins on your flywheel are they bolt on? Of so you may be able to attach something to one of them
 
Seandonato73 said:
So how do they cool the engine? If your flywheel does have a magnet on it is it removable? And how handy are you with metal work?
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Not really tried metal working cuz I never had a need, I do want to get good at it tho ?. My magnet does not appear to be removable but I think if you heated it up it should come out. I think the alx engine is solely are cooled, which I don't like cuz it could overheat when idleing. I think I wanna make or try to find a flywheel with fins.
 
If it can be removed it would need to be replaced with something non magnetic of the same weight to keep the flywheel balanced. Then you can mount your new magnet wherever you so desire on the flywheel. Or have another flywheel made/find one without a magnet in it..... gotta love custom builds ?
 
Seandonato73 said:
If it can be removed it would need to be replaced with something non magnetic of the same weight to keep the flywheel balanced. Then you can mount your new magnet wherever you so desire on the flywheel. Or have another flywheel made/find one without a magnet in it..... gotta love custom builds ?
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Lol gotta love em..............my wallet don't tho ?
 
Started building that truck in 09, started dating my wife in 10. She seen how much I dumped into it.... she got the house she wanted so win win i guess lol. I don't regret doing it and i think everyone should have a great project/goal that gets accomplished. Mine was my truck still have it. As I'm sure you'll never get rid of this project and take great pride when done.
 
Seandonato73 said:
Started building that truck in 09, started dating my wife in 10. She seen how much I dumped into it.... she got the house she wanted so win win i guess lol. I don't regret doing it and i think everyone should have a great project/goal that gets accomplished. Mine was my truck still have it. As I'm sure you'll never get rid of this project and take great pride when done.
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Yep, I don't plan on getting rid of it. It's has sentimental value.
This could be a option for a new flywheel
Seandonato73 said:
Started building that truck in 09, started dating my wife in 10. She seen how much I dumped into it.... she got the house she wanted so win win i guess lol. I don't regret doing it and i think everyone should have a great project/goal that gets accomplished. Mine was my truck still have it. As I'm sure you'll never get rid of this project and take great pride when done.
Click to expand...
Think this Isa option for a new flywheel
https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.com/ulk/itm/362521944984
 
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So here is what I'm thinking

Rcexl CDI
Rcexl kill switch
Hall sensor tester with degree wheel
Tachometer (maybe)
Rcexl flywheel

The flywheel doesn't have any fins so what I'm thinking is making some screw on fins.
I think this solves the ignition. Also all of this stuff is plug and play, well except for the flywheel. Now I don't have to get a soldering iron and all of it's accessories to solder the ignition. Plus it's much much simpler and costs less than the moped whole thing. ?
Also when u said 19-20 degrees of Timing is that 19-20 degrees before top dead center or 19-20 degree after top dead center?
 
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Z.hb71 said:
Not really tried metal working cuz I never had a need, I do want to get good at it tho ?. My magnet does not appear to be removable but I think if you heated it up it should come out. I think the alx engine is solely are cooled, which I don't like cuz it could overheat when idleing. I think I wanna make or try to find a flywheel with fins.
Click to expand...
It won't overheat whilst idling Zee, normally only overheat whilst driving like a tool or a crap tune.lol like doing donuts screwing the engine with no airflow across the cylinder n head fins, clutch slip also doesn't help. If you do manage to get really hot you should let the engine idle and stay lubed up until the temps come down.
 
mark35 said:
It won't overheat whilst idling Zee, normally only overheat whilst driving like a tool or a crap tune.lol like doing donuts screwing the engine with no airflow across the cylinder n head fins, clutch slip also doesn't help. If you do manage to get really hot you should let the engine idle and stay lubed up until the temps come down.
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Ahh ok. I heard in a video of sum dude being a tool and it was overheating and one of them said don't turn it off, why not turn it off? I'm thinking because it will sieze ? Wanna keep note
 
Before top dead center is advanced. Retard is after top dead center. And nice list! I think you got it all pinned down.
Like mark said... I hadn't thought of it before. Our old dirt bikes were free air, no cooling system or fan and they never over heated when riding. Guess alx is using the same idea. Which makes your flywheel issue all the more easy!
 
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