0weng
Scoot Member
Posts: 76
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Post by 0weng on Oct 16, 2020 9:10:26 GMT -5
i am wanting do upgrade to LC.My athena 70cc is struggling at 62mp(100kph) speed limits. Againts the wind and it wont keep up with the traffic lol.It can do 69mph but not ideal for air cooled cylinder to be WOT the entire ride just to keep up with traffic(to be on safe side not being rear eneded lol).I wonder if my Yasuni R can keep up with this tpr kit? Atleast for now and perhaps updgrade to polini or mhr pipe by summer next year hence this is more of a winter project.(Canadian eh!😅😅😅) First snow fall today no more riding 😥😥.
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pewpew
Scoot Enthusiast
Posts: 254
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Post by pewpew on Oct 16, 2020 9:33:56 GMT -5
Yes it is. I used a yasuni city 16 for a while and it did 132km/h easily
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0weng
Scoot Member
Posts: 76
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Post by 0weng on Oct 16, 2020 9:56:07 GMT -5
What RPM does this tpr kit peak at? Yasuni r i believe is at 9-11k range thats my concern hence it may void the cylinder upgarde if only hoing to be restricted soo much by the pipeIf its restricted with in tolerable amount I'd keep the pipe for a while before upgrading.
For tye C16 though isnt it more a high reving pipe? I am looking into getting the big evo pipe next summer. Pipes are quite expensive lol and i only have less than 1k kilometers on my entire build and im not thrilled with it anymore lol.
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pewpew
Scoot Enthusiast
Posts: 254
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Post by pewpew on Oct 16, 2020 11:24:55 GMT -5
What RPM does this tpr kit peak at? Yasuni r i believe is at 9-11k range thats my concern hence it may void the cylinder upgarde if only hoing to be restricted soo much by the pipeIf its restricted with in tolerable amount I'd keep the pipe for a while before upgrading. For tye C16 though isnt it more a high reving pipe? I am looking into getting the big evo pipe next summer. Pipes are quite expensive lol and i only have less than 1k kilometers on my entire build and im not thrilled with it anymore lol. My ported kit with 2fast pipe revs to 15k rpm. With the yasuni it revved to 12k rpm. The yasuni should be fine for a temporary pipe
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Post by aeroxbud on Oct 16, 2020 11:31:51 GMT -5
The Yasuni R tops out at about 11,000 www.pedparts.co.uk/c/asset/yasuni-power-graphs.pngI guess you need to see if the TPR kit makes more power at that range, than the athena does. Brent ran the TPR kit with his peace pipe and got good results. Better than he was expecting. So if setup correctly I think the Yasuni would work ok.
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0weng
Scoot Member
Posts: 76
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Post by 0weng on Oct 16, 2020 13:02:33 GMT -5
Yes I saw his videos thats Why i am looking into it. With me at 140lb vs him(not body weight shaming just reference) i assume i could reach 70mph with out any issues.Now i just need to do lots of reseach wjere to buy LC parts and lots of dremel'n lol hence i dont have access nor know a cheap machine shop here in our small town.
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Post by 90GTVert on Oct 16, 2020 15:05:40 GMT -5
Check out ScooterTuning.Ca for parts.
Carbide burrs to get very close to the diameter desired, then finish with a large flap wheel to get a good result by hand when making clearance for the crank. Make some dummy bearings (slip fit in the cases and on the crank from sanding an old set of bearings). They will help you check to be sure it's good to go. It's not hard to miss a corner and have a small issue, but with straight cylindrical burrs it is easier than other types. Try to use the ones without cutting flutes on the end so you don't chew into the sides of the cases. Mark it with dye or a permanent marker and try to keep your cutter perpendicular the best you can for a straight cut.
The cylinder bore area is easier.
None of it's fun, but that's how I did my cases for years. I took my very first set of cases to a machine shop and when I got the bill I said no more of that. Having done some machine work myself now, it was a very fair price... but if you're on a budget it's much cheaper to buy some burrs and a flap wheel and my hand cut stuff worked just as well as the machine shop cases.
Wear some sort of respiratory protection when making a lot of aluminum dust... especially with the flap wheel.
I'm guessing it was you that I talked to on YouTube as well. As said, the Peace Pipe worked well at 10-11,000RPM with the TPR. Made a nice mild version of the setup that was easier to ride than with the MHR exhaust. Only issue would be using a pipe with a small stinger on the larger bore/stroke. I'm guessing that'll be OK, but I don't know a whole lot about the R.
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0weng
Scoot Member
Posts: 76
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Post by 0weng on Oct 17, 2020 8:56:34 GMT -5
Yes, I was the guy on yt. Thanks for taking time responding. Luckily i have 80% of tools needed for making the clearances. I only now have to buy a bearing puller to remove some of my old bearings to make dummy ones. For the parts, i did bought all my performance parts from Scootertuning and will probably still buy from them moving forward.Great company to deal with here in Canada.
For the LC convertion however, I'd probably go same route as you did and build my own RAD bracket etc. hence the price is way cheaper(ebay) rather than buying the set from the store.It's a winter project anyway,so i guess i have lots of time to fiddle with it. I easily got bored with my AC build and want more acceleration and easy 63mp with out WOT while cruising on highways. I'm hoping that It can easily be achieve with this furture build. A lot cheaper than going with MHR kit. This TPR cylinder+crank kit is same price as the rc one crank alone lol. Ps: I am not saying MHR product are not worth the money hence i also own few MHR products which performs fantasticly well for street build.
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Post by 90GTVert on Oct 17, 2020 11:52:13 GMT -5
I don't know how laws and licensing and such go there, but TBH when I think of 60+MPH cruising sensibility I think of a larger scoot. Like a 250-300cc. I've got a TMAX 500cc and the cost of operation is well under what I put into my 2T to keep it going and it's mostly just hop on and ride. I don't really like holding the TPR at some part throttle positions. A lot of strong 2Ts bite the dust at part throttle. With a more mild exhaust, it didn't worry me. With the MHR exhaust it does. It is different than the sport to maybe midrace stuff that I've rode for years once you get to that point. You could hop on pretty much any recent 250-300cc and cruise 60-65 all day without thinking about it.
I love modified scoots and don't want to discourage you from proceeding with the TPR, but if it's really about being able to cruise the highway then at least explore the local market for larger scoots. Added bonus is that you also tend to get more storage and more fairings to make it easier to commute in cold weather or take a trip to the store and their charging systems more easily support things like heated gear.
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0weng
Scoot Member
Posts: 76
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Post by 0weng on Oct 17, 2020 13:41:31 GMT -5
Very true, i could easily get a bigger bike but i am having more fun with the smaller scooter if you know what I mean 😁😁. I could easily drive my vehicle too if I want comfort but* scooter is more fun. I dont drive my scoot for daily commute it is just a project and fun ride is all what I am after for.
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0weng
Scoot Member
Posts: 76
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Post by 0weng on Oct 17, 2020 15:22:09 GMT -5
Check out ScooterTuning.Ca for parts. Carbide burrs to get very close to the diameter desired, then finish with a large flap wheel to get a good result by hand when making clearance for the crank. Make some dummy bearings (slip fit in the cases and on the crank from sanding an old set of bearings). They will help you check to be sure it's good to go. It's not hard to miss a corner and have a small issue, but with straight cylindrical burrs it is easier than other types. Try to use the ones without cutting flutes on the end so you don't chew into the sides of the cases. Mark it with dye or a permanent marker and try to keep your cutter perpendicular the best you can for a straight cut. The cylinder bore area is easier. None of it's fun, but that's how I did my cases for years. I took my very first set of cases to a machine shop and when I got the bill I said no more of that. Having done some machine work myself now, it was a very fair price... but if you're on a budget it's much cheaper to buy some burrs and a flap wheel and my hand cut stuff worked just as well as the machine shop cases. Wear some sort of respiratory protection when making a lot of aluminum dust... especially with the flap wheel. What if i accidentally made the crankcase shaft circumference slightly bigger than the required spec hence I am doing it free han,will there be any negative effect on the performance like building pressure/compression etc.? In addition same goes with the crank case skirt bore(pardon my terms lol) where the cylinder skirt slide in *what if i accidentally made it bigger that required spec would it affect the cylinder stability even when it was tourqe with in spec? I mean i have installed a 50cc bore kit on a 90cc crank case (smaller cylinder skirt than the crankcase borr) before with out any issues. I wonder though if you or any of the members are aware of any negative effects of my questions above. Thanks for the time helping. Very much appreciated.
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Post by 90GTVert on Oct 17, 2020 18:57:38 GMT -5
Any small variations would be fine. Take your time and use the carbide cutter to get close, but not all the way to spec. Then use the flap wheel. You shouldn't get too far off that way if you've spent some time with a rotary tool before. I trench my cases and add much more volume than you would with just diameter changes.
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0weng
Scoot Member
Posts: 76
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Post by 0weng on Oct 17, 2020 21:35:37 GMT -5
Any small variations would be fine. Take your time and use the carbide cutter to get close, but not all the way to spec. Then use the flap wheel. You shouldn't get too far off that way if you've spent some time with a rotary tool before. I trench my cases and add much more volume than you would with just diameter changes. Great!!. One more thing. I have a 21mm polini cp atm. Will that be enough for this build? If not what would be the appropriate Carb size and roughly what jettings. Just so I have a baseline info to start with before I start ordering my materials. This hobby can get very expensive quickly lol. I only put in less than 1k click on my 70cc build which O only huilt this Sept literally less than 2 months ago Lol.
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Post by 90GTVert on Oct 17, 2020 22:42:38 GMT -5
It may get by on a 21mm. I was and am using a 25mm DellOrto, which everyone says is too small. TPR or sites that sell it say 24-28mm.
In the manual for the kit it says "Carburetion - Intake Kit TM24, Max jet 180-220, Min Jet 15, Throttle Valve 3, Needle 5N 14, Needle Notch 3/5, Sprayer Q-0 424".
With the 25mm PHBL (round slide) & air box I'm using a 102 MJ, so it's going to depend a lot on the exact carb and air filter.
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0weng
Scoot Member
Posts: 76
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Post by 0weng on Oct 23, 2020 11:49:41 GMT -5
It may get by on a 21mm. I was and am using a 25mm DellOrto, which everyone says is too small. TPR or sites that sell it say 24-28mm. In the manual for the kit it says "Carburetion - Intake Kit TM24, Max jet 180-220, Min Jet 15, Throttle Valve 3, Needle 5N 14, Needle Notch 3/5, Sprayer Q-0 424". With the 25mm PHBL (round slide) & air box I'm using a 102 MJ, so it's going to depend a lot on the exact carb and air filter. So I went ahead and ordered the TPR kit and other items needed from scootertuning.ca. Eric is very helpful hence there are parts that are out of stock but he help me put a special order. Like -tpr kit it self -30mm polini pwk I also went ahead and ordered the "bosch electtic pump that you covered in one of your TPR build videos. I'd love to go with the Go kart pump but i dont have the resources/tools to fabricate like you do (im jealous 😁). With the radiator i ordered this part www.ebay.com/itm/401655108991 It appears that it is slightly smaller than your build and thought perhaps it wont give me too much headache when building the bracket hence it will be lighter. I only plan to just use nuts and bolts to assemble the bracket hnece i dont have access on wlEding machines. Now it will be a waiting game. I am also looking for a perfect match pipe for this kit. I am leaning more towards polini or fa2st 86cc pipes. I will be contacting SCT.ca again to ask for Help on putting the special order for the pipe once i am done asaembling the build. Winter is quute long here in Manitoba Canada. So I have lots of time to wait lol.
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