Yamaha C3 — Performance Upgrade Loobin’ the Tubes

19 Июн 2015 | Author: | Комментарии к записи Yamaha C3 — Performance Upgrade Loobin’ the Tubes отключены
Yamaha C3+

Loobin’ the Tubes

Yamaha C3 – Upgrade

April 23, 2011

To my third year riding my Yamaha C3, I decided to void the of the warranty and tune up the performance a Unfortunately, there’s a very amount of useful information out about the C3 (aka Giggle, aka I’ve pieced together a bit of information so I’m recording it here for and anyone else in the same

The most important thing to know about tuning up the C3 is you must remove the restrictor .  Discussions of C3 performance tuning, weight modifications, and other all assume that you’ve the scooter.  If you haven’t, the changes you will be very confusing and not at all you are expecting.  For example, I bought a new set of weights and had them put in before the had been removed.

  Instead of improving performance, I got acceleration … right up until when the bike hit the rev limiter and go any faster.  Not useful. )  After the restrictor washer, I tested it with the stock roller and was able to peg the speedometer going downhill with ease – I had never been able to do

The next step is to replace the weights as discussed in the movie I above.  The roller weights control how fast the CVT gear shifts .  Lighter weights you better acceleration and theoretically top-end speed, while weights slow the increase in the ratio, sacrificing low-end for higher top speed.

  With the C3, one of your more problems is slowing down going uphill, so I believe in general, lighter weights are you want.  This is especially when you’re using the Dr. sliding roller weights, are a different shape that you more top-end simply by the plate to move further.

the information you really need, took me some doing to out: the stock roller on the C3 are six grams and 15mm x 12mm .  I a set of 16-13 4g weights that the had to grind down in order for to fit in the stock variator.  The video I above recommends 5g weights, and I that’s a good recommendation if looking for maximum top-end and while retaining some hill-climbing performance.  My current Dr.

Pulley weights are probably 3.9g after being down, and while low-end is good, high-end is somewhat I can’t measure top-end at the moment as the speedometer is not useful 40mph. My opinion on this may after some experimentation, only ridden a few miles the shaved 4g weights.

  Also that while the stock weights may not entirely wear after 12,000 miles showed serious signs of wear with several having multiple areas had been rubbed flat.

your tires are important.  I the stock C3 tires with Reggae tires (the tire on the Zuma) after the tires wore out.  turned out to be something of a problem – I 3-4mph on the top end, going being able to hit 42-43 to stuck around 39mph was before de-restricting and replacing the weights).

  I believe that the Reggaes a significantly higher rolling which accounts for the slower and lower top speed.  Finding with lower rolling turns out to be another difficult as many tire manufacturers list the rolling resistance of the they sell.  This is my line of research, and will end in calling the tire companies and to get the information directly.

One final – working on the CVT on the C3 is trivial, as even I can do Once you get the hang of it, the whole only takes about 10 to take apart.  You need:

A strap wrench big enough to the variator in place while you get the bolt off (see the video)

8mm, and 17mm sockets and a wrench with an extender at least four inches

5mm wrench (hex wrench) to the kick starter

The hardest is getting the variator bolt off – I had to use a of PVC pipe to give myself leverage to get that 17mm off, and it took me a few minutes to get the wrench set properly to allow leverage to be used.

My next will be to order a set of 5g 15-12 Dr. weights and compare those to the 4g ones I have in there After that, I should the tire research finished and a new set of on order.  With those in place, I should be close to as my top speed while retaining the 115mpg fuel economy.

  Then, maybe, I’ll into a new pipe.


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