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PostPosted: Sun Oct 01, 2017 10:47 pm 
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https://www.facebook.com/715681238569315/videos/pcb.1072424969561605/1072424782894957/?type=3&theater&ifg=1

To those who have Facebook accounts please click the link. I'm sorry I cannot find the video from another places, nor can I save and share it here..

I think what they're doing here is remove/increase the rev limit in the ECU.

This is quiet cheap for only about $40.

Thoughts? Is this worth it? 8)


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PostPosted: Sun Oct 01, 2017 11:33 pm 
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For the few months that I've had my PCX now I find the stock performance more than adequate for a 153cc machine. I've had it up to 60 MPH and TBH that is about as fast as I want to go on it due to the tire size and suspension basically. I could ride it if it did 70 MPH but I'd rather be on a bigger scooter or motorcycle. For what it's designed for I think the PCX checks most of the boxes so to speak. A more comfortable seat would be a plus for sure but all in all I wouldn't find removing the rev limit on my PCX to any real advantage. I guess it's easier for me to say that because I already own a bigger motorcycle for highways. I see where Yamaha is selling the XMax in the U.S. now for 2018 in White only. . .. Being a 300 it would allow for higher speeds but it is also 100 lbs heavier and would get about 25 MPG less (roughly). Sounds like the "ccitis" is creeping in. It comes down to a decision to make the leap to a bigger machine or squeeze every drop of performance out of what you have now. 8)


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PostPosted: Mon Oct 02, 2017 12:14 am 
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I agree with you here. The reason why I haven't even tried the racing variators being sold cheaply here in Thailand.

But I have a dream of putting bigger tires on my PCX so to compensate, an aftermarket variator might be advisable and also increasing the rev limit.

But then again, i also like the new xmax 300, and the wife seems to be smitten by it as well.

But practically, the pcx tick all the boxes of city riding. It is just human nature to want something bigger, better. Lol

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PostPosted: Mon Oct 02, 2017 12:15 am 
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alx123 wrote:
Thoughts? Is this worth it? 8)


Rev limiters are there for a reason; removing them subjects the engine to much higher square-law forces and wear. So the potential downside is increased engine wear (at best) and catastrophic engine failure (at worst) (and by "catastrophic" I'm meaning things like "con rod through the side of the crank case kinda stuff").

Wouldn't touch mods like this with a barge pole personally. In this country it would also most likely invalidate both insurance and warrant of fitness.


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PostPosted: Mon Oct 02, 2017 12:33 am 
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alx123 wrote:
I have a dream of putting bigger tires on my PCX so to compensate, an aftermarket variator might be advisable and also increasing the rev limit.

But then again, i also like the new xmax 300, and the wife seems to be smitten by it as well.

But practically, the pcx tick all the boxes of city riding. It is just human nature to want something bigger, better. Lol


I've found the answer for you ... :)


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PostPosted: Mon Oct 02, 2017 1:08 am 
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Power starts to drop off before the redline, given that I don't see the benefit of the device. You could add stiffer valve springs to avoid valve float above the factory redline. But still no benefit from it.

I do wonder what the potential redline limit is of the PCX.


Gil

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PostPosted: Mon Oct 02, 2017 1:31 am 
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TheMaverick wrote:
alx123 wrote:
I have a dream of putting bigger tires on my PCX so to compensate, an aftermarket variator might be advisable and also increasing the rev limit.

But then again, i also like the new xmax 300, and the wife seems to be smitten by it as well.

But practically, the pcx tick all the boxes of city riding. It is just human nature to want something bigger, better. Lol


I've found the answer for you ... :)


it might be just a comprehension problem on your part but yeah I would love to own that. But I will still keep the scooter. :lol:

A+ for the effort

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PostPosted: Mon Oct 02, 2017 1:48 am 
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alx123 wrote:
it might be just a comprehension problem on your part but yeah I would love to own that. But I will still keep the scooter. :lol:

A+ for the effort


Oh yes - me too. If I owned a Fireblade then I'd be able to put a sticker on my PCX that said "My other bike is a Fireblade" :D


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PostPosted: Mon Oct 02, 2017 2:23 am 
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Gil wrote:
Power starts to drop off before the redline, given that I don't see the benefit of the device. You could add stiffer valve springs to avoid valve float above the factory redline. But still no benefit from it.

I do wonder what the potential redline limit is of the PCX.


Gil


We used to put racing CDI's on our 110 and 125 cc manual gear mopeds to increase the rev limit just for fun. Your'e right, the mod usually comes with other mods like bigger carburetors, bigger valves, stiffer valve springs, bigger capacitors in the ignition line, and modified camshaft for the effect in performance to be significant. Removing the rev limiter alone won't make any difference, it will only let you max the bike's rpm in lower gears. A little increase in top end due to the maximized lower gears shifting, but nothing significant.

Probably not gonna be so significant in a stock PCX engine too. imo

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PostPosted: Mon Oct 02, 2017 9:36 am 
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What I have found with the NCY mods that I have on my wife's PCX is that even though the max speed has been boosted to 75 mph running at that speed for any length of time on the freeways tends to make the bike 'float' since it is so light. That might be OK for short distances but if I were going to us a bike on a high speed road for any length of time, say going to and from work, I would buy a larger bike.
The real advantage of the NCY setup is on hills, where your speed would normally drop dangerously when you are in traffic. I recently took her bike out in traffic just to keep the oil moving and the tires from going flat, so to speak. We have some crowded streets here that have some steep inclines. Cars do not appreciate slow moving mopeds here, and some have even been 'bumped' off of the road. Her PCX kept right up with traffic, even on the hills.

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PostPosted: Mon Oct 02, 2017 5:49 pm 
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Quote:
I've found the answer for you ... :)


Something new, something blue, . . .. Well maybe not old or borrowed. It's definitely not an Alx123Special. :lol:

Lotta laughs in this vid. . .had to post it. Amusing indeed. I almost bought a KYMCO Like 200i once. . .but for the seat. This is a whole different animal. 8)



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