Hi! Long time no see. I've been busy with car stuff, no time for scooters sadly. I've had my CPI Formula R for 12 years now with different setups. Here's newest videos with English subtitles:
It's pretty fast with 70cc sport setup but now I found cheap Minarelli 100cc engine taken from Yamaha Neos, everything still intact. Does someone have info of those? Very limited supply of tuning parts, not sure what to get. 124cc Malossi is biggest bore cylinder I've found but 120cc Airsal looks much better and comes with matching cylinder head. Tecnigas RS2 is the highest revving exhaust I've wound so far made for 100cc. Not sure would 70cc exhaust work with 120cc engine. I'm aiming for +10krpm and 120km/h (75mph) top speed. Stock 7000rpm and 90km/h (55mph) I've heard so it's definitely slower than my current setup.
Now it's winter in here so good time for some engine tuning and videos of course
Here's my variator modification video how I got my 50cc setups top speed from 80km/h (50mph) to 92km/h (57mph):
Paul Yamaha Aerox NS50 2016 Piaggio Typhoon 2019: The new one Yamaha Slider 2002: The problem child (sold) Yamaha BWS NG: The Family affair (son now owns) Yamaha Aerox YQ50 2008: The fast one (sold) Yamaha Jog RR 2004: The first one (sold)
Crankshaft flywheel taper is the same as a 90cc engine,variator splines are 90cc also,but 6mm longer,entire CVT is larger OD with a longer belt too..Piston pin is 13mm and cylinder stud pattern is wider than the 50/90cc stuff.. As said,pete130 has a build thread here with a good looking aluminum cylinder; 49ccscoot.proboards.com/thread/20450/132cc-bigbore-stroker-project
Okay, that helps a lot. Nice to know that the variator is better than on 50cc. Of course I have to modify it
I already have Keihin 28mm PWK carb so I'll use it and start with Yasuni C16 exhaust. I'm still thinking about the cylinder kit. Original cylinder head is very bad for power or at least needs massive modifying, easier to buy cylinder kit with head. Ignition is another thing, maybe stator rotating is enough.
Here's a live teardown video if someone is interested, quality is only 480p so not the best. Better videos coming soon..
What I found is that I would need to raise the cylinder 2-3mm and modify the head to make it usable. And it already had Malossi Multivar installed, looked identical to Malossi Overrange for 50cc engine so it's definitely oversized. But sadly rear pulley is same size as 50cc and that's why the belt is same too. Lyckily I still had my Malossi Overrange rear pylley and belt. So now I have full Overrange variator
Had to buy speedo and tachometer for tuning purposes. I bought GPS speedometer from Ebay so I don't need to play with magnets or cable, works great. Found cheap tachometer with backlight as well, works like a charm
Senna1Rossi: Thanks renagade281!
May 23, 2016 14:59:12 GMT -5
Fox: I don't really know how to say this but straight. I am Dave's Girlfriend Kellilee and bluntly and VERY SADLY he passed away early Tuesday morning. I know he would want ya all to know this. Thank You Brent for befriending my love he was very happy on here!
Jun 18, 2016 16:26:04 GMT -5
Fox: www.gofundme.com/29mgf6b8 I hope it is ok to pass on his gofundme page link. If not you will un-post it I'm sure. Thanks again all!!
Jun 18, 2016 16:31:18 GMT -5