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Post by Chris Cristini on Jul 29, 2016 21:02:24 GMT -5
I'm not ready for port tuning yet lol I think I can do the Iggy advance though.
I only weigh 135Lbs so I got a slight advantage on flat ground by 10 or less mph I should of GPS verified but didn't like the horrible acceleration it took a year to get to 45 lol
When I get my BBK I will also get a CHT or make one then I will adjust squish clearance and try for 130 psi at least
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Post by niz76 on Jul 29, 2016 21:30:22 GMT -5
Iggy advance changed my Adly's attitude from turd to stud! IDK how far I advanced it exactly- that was before I even knew how to use a timing light, but I elongated the slots by about 1/8"...
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Post by Chris Cristini on Jul 29, 2016 21:42:56 GMT -5
Did you advance it all the way on you 1/8" slot? This sound like something I will do tomarow  and I will finally get the squish and compression for you as you asked weeks ago lol Never mind lol I remembered I read your build thread all the way through a few times found it advance as much as the slots let you. Will that lower reliability allot? |
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Post by FrankenMech on Jul 29, 2016 23:22:54 GMT -5
It is torque that enables acceleration and reaching a high speed. A ratio that is too low numerically, like 9:1, will require more torque which is one thing these micro engines do not have much of. Bigger displacement and more efficiency will improve torque.
What is that saying? There is no replacement for displacement? That is the reason I am dropping in a 150cc25cc...
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Post by Chris Cristini on Jul 29, 2016 23:25:36 GMT -5
It is torque that enables acceleration and reaching a high speed. A ratio that is too low numerically, like 9:1, will require more torque which is one thing these micro engines do not have much of. Bigger displacement and more efficiency will improve torque. What is that saying? There is no replacement for displacement? That is the reason I am dropping in a 1 50cc25cc... Can't wait to see the build thread |
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Post by arkie on Jul 29, 2016 23:52:57 GMT -5
It is torque that enables acceleration and reaching a high speed. A ratio that is too low numerically, like 9:1, will require more torque which is one thing these micro engines do not have much of. Bigger displacement and more efficiency will improve torque. What is that saying? There is no replacement for displacement? That is the reason I am dropping in a 1 50cc25cc... Can't wait to see the build thread The thread is already there. Reverse trikes aren't my thing, but FM's scoot is pretty cool nonetheless! |
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Post by Chris Cristini on Jul 29, 2016 23:57:06 GMT -5
Shows how much I pay attention lol. His scoot is cool as heck I am going to follow his build so when the wife gets one and complains that its too slow I'll know what to do.
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Post by FrankenMech on Jul 30, 2016 1:23:00 GMT -5
I should get the money to start in a few months. Getting my hands to work may take longer. I don't see much of a problem mounting the engine. Just two tab assy's welded to the frame. The problem comes from the rear axle and wheel. My trike has a rear disc brake on the right side. Replacement engines are set up for a rear drum brake. Major finagling will be required. Drum brakes suck compared to the disc. The rear axle splines are also a problem. I have not found much info on that. Rear axle dimensions seem to be super secret. I will need a 12" wheel of some sort with the ability to attach a disc rotor. Mounting the caliper should not be a problem. I can always just use the drum brake. Normally there is a problem mounting a center stand when doing a 50cc-125cc conversion (130cc is legal in KS)  but a trike does not need a center stand. The R-trike scoots are not only heavy, mine weighs ~300# they have extra drag from the front wheel alignment. Two front wheels have to be set just a fraction toe IN so the two wheels actually are trying to go towards each other. That creates a lot of drag compared to a single front wheel. Setting that alignment is something that has to be done during the PDI. The factory assembly toe is quite excessive. BTW, I am not sure I used the alignment terms properly. I really need to update that modification thread. |
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Post by Chris Cristini on Jul 30, 2016 14:33:32 GMT -5
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Post by niz76 on Jul 30, 2016 14:54:15 GMT -5
Awesome Cristini! You're gettin to have a pretty badass little scoot there! The hard starting comes with the "performance CDI's" that have high advance at low RPM. The manual advance at the stator like you've done doesn't produce that problem... |
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Post by Chris Cristini on Jul 30, 2016 15:09:50 GMT -5
Ah got ya I will make sure that I program stock timing in the PCDI after 500-600RPM then the magic will happen I hate waiting for stuff off the internet. is the could with thin gauge wire for charging? That might explain my ridiculous low Voltage problem I can re wind it if I have to just with slightly thinker wire. And thank you Niz this scoot is fun as h3ll |
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Post by Chris Cristini on Jul 30, 2016 15:42:02 GMT -5
That's the highest it goes kick starting lol  |
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Post by spaz12 on Jul 30, 2016 15:49:05 GMT -5
About a foot of hose on that tester? Add 10 psi then. It could still use a rebuild at some point.
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Post by Chris Cristini on Jul 30, 2016 16:49:53 GMT -5
That's OK I unleashed some No start gremlins it just died then I mess with the Iggy a Lil and it starts right up it just gonna sit till BBK and new Iggy I was going to rewind it but it full of epoxy and I don't have a small enough gauge might as well get a new lol its all good. |
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Post by arkie on Jul 30, 2016 17:30:43 GMT -5
Did you warm it up prior to the compression test?
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and I will finally get the squish and compression for you as you asked weeks ago lol
but a trike does not need a center stand.
I will have to buy a new one or maybe make my other 49cc Iggy work. In any case I should have done that long ago.
