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Post by oldgeek on Jan 22, 2017 23:26:33 GMT -5
I would like to try the 54mm Aluminium kit from autotech, or this one 54mm LC The exhaust flange may be at a different angle due to it being for a ATV but I am not sure. |
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Post by niz76 on Jan 22, 2017 23:33:26 GMT -5
I'm looking @ budget build not insane cash,that is a decent crank so for the MhR big bore you need a 85 mm Conrod and 45 mm stroke correct Depends what you're looking for and what u want to spend etc. You can run it with stock 42mm stroke for 77cc or 45mm stroke for 86cc (this also requires a cylinder spacer). AFAIK The conrod length isn't superbly important and really only affect the piston "rocking" in the cylinder a minimal amount. I could be wrong about that but that's what I've read... |
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Post by niz76 on Jan 22, 2017 23:34:04 GMT -5
I would like to try the 54mm Aluminium kit from autotech, or this one 54mm LC The exhaust flange may be at a different angle due to it being for a ATV but I am not sure. ATV cylinders have the same exhaust flange. |
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Post by 90GTVert on Jan 23, 2017 8:54:45 GMT -5
Gonna drive it daily so hyper race won't hold up... want great take off and great top speed and to be able to go up hills with ease but not trying to be screaming to do it Considering the above and the mention of a "budget build"; a mild 103cc (45mm stroke/54mm bore) should be fine. $100 for a 45mm crank, ~$150 for a 54mm head and cylinder. That's what most of my stuff is. Not impressing anyone really, but it works. I really like my PG exhaust and would recommend that, but I have no idea where to get 1 anymore. My short case Venus was just a stock 42mm crank and 54mm bore (96cc) and that was one of my favorite scoot setups that racked up a ton of miles while doing wheelies and cruising 50MPH+ with stock gears. A gear swap could have made the speed better with it I think, but it could still see 60MPH or more at times. Hoca works well. Plain old 54mm standard layout kits work well. Stay away from the ultra cheap kits. I tried one last go-round. One $60-70 cylinder turned into 3. Low quality stuff with defects and my engine constantly clatters with them. Autotech sells good Taiwan made standard stuff for reasonable prices. Spend the time setting them up. That's a big key with the 90cc stuff like this. Expect that you may need to work a combustion chamber and/or mill a head to get squish right or make a spacer or get out the rotary tool or files to get it setup how it should be. They absolutely won't be the fastest thing on the road like the race stuff, but you won't spend a fortune either and they can make good power across a broad range. I usually go with 21mm PHBG carbs. 19mm does fine too. Stock just doesn't cool well enough, though they can perform fine. The black series PHBG fits the stock intake and is about as simple as any carb you'll install (aside from Arreche that have direct fit kits, but I never liked my Arreche carb and parts are harder to find), and it's easy to swap main jets. Most recently, I use a pricey Malossi OR CVT in mine and that kills the low end grunt, as it bypasses it, but I can trust it not to let me down. I don't have to worry that I'll get a couple of hours away to the beach and it will start acting up and things like that. I know I'm boring as I keep using the same thing, but it works for what I want... which also sounds like what you described so I figured I'd put my 2 cents in. |
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Post by Jwhood on Jan 23, 2017 10:49:47 GMT -5
I think I'm going for a hoca l.c kit and a 45 mm crank or autotech's l.c 54 also been looking for a cheap small frame scoot to put it in thanks for all the info bro always greatly appreciated and wonder if I can possibly find a pg out in the wild hopefully I'll run into one somewhere soon
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Post by 190mech on Jan 23, 2017 11:28:43 GMT -5
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Post by Jwhood on Jan 23, 2017 11:42:26 GMT -5
190 might need your building skills for a "190 phongeer" if you get what I'm saying👍
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Post by oldgeek on Jan 23, 2017 11:46:54 GMT -5
I think I'm going for a hoca l.c kit and a 45 mm crank or autotech's l.c 54 also been looking for a cheap small frame scoot to put it in thanks for all the info bro always greatly appreciated and wonder if I can possibly find a pg out in the wild hopefully I'll run into one somewhere soon Finding a pipe will likely be your biggest obstacle. Do you have any in mind yet? I know some of the newer $$$ pipes for the hyper race stuff should work? EDIT: I see you are already on the trail, LOL! 190's builds the peace pipe line! |
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Post by 'O'Verse on Jan 23, 2017 12:23:48 GMT -5
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Post by 190mech on Jan 23, 2017 18:32:10 GMT -5
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Post by Jwhood on Jan 23, 2017 18:48:31 GMT -5
Isnt the tp the one pigs running on his Zuma,mvt looks good but I need to get a spacer correct cause a 44 mm has an 80mm rod or an 85mm rod?Found a stroker crank on aliexpress the one alot of people use its 44mm but it doesn't say what the stroke is I'm guessing it's an 80mm rod sorry I'm new to all of this so don't mind the question's
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Post by niz76 on Jan 23, 2017 20:16:25 GMT -5
Gonna drive it daily so hyper race won't hold up... want great take off and great top speed and to be able to go up hills with ease but not trying to be screaming to do it Considering the above and the mention of a "budget build"; a mild 103cc (45mm stroke/54mm bore) should be fine. $100 for a 45mm crank, ~$150 for a 54mm head and cylinder. That's what most of my stuff is. Not impressing anyone really, but it works. I really like my PG exhaust and would recommend that, but I have no idea where to get 1 anymore. My short case Venus was just a stock 42mm crank and 54mm bore (96cc) and that was one of my favorite scoot setups that racked up a ton of miles while doing wheelies and cruising 50MPH+ with stock gears. A gear swap could have made the speed better with it I think, but it could still see 60MPH or more at times. Hoca works well. Plain old 54mm standard layout kits work well. Stay away from the ultra cheap kits. I tried one last go-round. One $60-70 cylinder turned into 3. Low quality stuff with defects and my engine constantly clatters with them. Autotech sells good Taiwan made standard stuff for reasonable prices. Spend the time setting them up. That's a big key with the 90cc stuff like this. Expect that you may need to work a combustion chamber and/or mill a head to get squish right or make a spacer or get out the rotary tool or files to get it setup how it should be. They absolutely won't be the fastest thing on the road like the race stuff, but you won't spend a fortune either and they can make good power across a broad range. I usually go with 21mm PHBG carbs. 19mm does fine too. Stock just doesn't cool well enough, though they can perform fine. The black series PHBG fits the stock intake and is about as simple as any carb you'll install (aside from Arreche that have direct fit kits, but I never liked my Arreche carb and parts are harder to find), and it's easy to swap main jets. Most recently, I use a pricey Malossi OR CVT in mine and that kills the low end grunt, as it bypasses it, but I can trust it not to let me down. I don't have to worry that I'll get a couple of hours away to the beach and it will start acting up and things like that. I know I'm boring as I keep using the same thing, but it works for what I want... which also sounds like what you described so I figured I'd put my 2 cents in. Yep still the best recipe for a bulletproof 60mph+ Low RPM, High torque Daily Driver imo! Can get the whole build done for what a hyper race exhaust costs! |
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Post by niz76 on Jan 23, 2017 20:21:08 GMT -5
I still have a hunch that a Yasuni R would make a great 90cc exhaust. The C-16 powerband is just a tad too high for the Hoca stuff and tad too low for the Hyper Race stuff...
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Post by Jwhood on Jan 23, 2017 20:23:00 GMT -5
I still have a hunch that a Yasuni R would make a great 90cc exhaust. The C-16 powerband is just a tad too high for the Hoca stuff and tad too low for the Hyper Race stuff... I might try it since the r's isnt to bad of a price!! |
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Post by 190mech on Jan 23, 2017 20:23:19 GMT -5
Get a 45mm Hoca crank and adjust from there,dont know if you want or need the "hyper race stuff" for a daily driver,I just looked at the prices of that kinda stuff VS the street kits,Brent laid out a great combo for racking up many miles at waay over the average speed of a scoot..Simple and reliable!!
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(77cc) or I was possibly thinking of running one of the Airsal cranks (88cc). I'm such a cheapskate haha.
