Question about RTO Gas Motor Scooter

1 Answer

Yamaha neos wont go over 20mph

Ive recently added a derestricted leo vince tt exhaust on my yamaha neos 50 and also put in 4.3gr rollers and yellow clutch springs that came with the exhaust as recommended. Now i have some problems, the bike will start up great, and it will accelerate brilliantly from start, but then if i slow down at all then it seems ive lost the power altogether, and i wont gain it back until i get to about 25mph. Its incredibly annoying, it will go great up a hill aslong as i hit the hill at 30mph+ otherwise it will just slow right down to about 10mph and keep getting slower which is rather embarressing. Also today i was riding home from work and on the flat it wouldnt go over 20mph. I think it may either be that my contrast spring is too weak for the amount of power it needs to hold, or its over heating VERY quickly, or my rollers are too heavy, and also i read somewhere that there's a restrictor in the CDI taking down the revs? i'm probably completly wrong about it all but could really use some help.
Cheers guys :)

Posted by on

Ad

1 Answer

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 4 Answers

Check the voltage coming out of the magneto to make sure its up to spec. Having a low voltage output will cause all kinds of problems in low rpm and dissapear when your revs get high enough.


affordable seo Guy

Posted on Apr 14, 2010

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Hi i have a Yamaha neos 4. Is the any wires to cut on the CDi as I can not find any unrestricted CDi's on the internet?


Hi, Cameran for more information about your question and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day.
Scooter CDI Selection Guide
2012 Yamaha Neo question
Tuning Yamaha Neos 50 4t wmv
Yamaha Neos how do derestrict yamaha noes Maxperience
how do deristrict yamaha neo 50cc moped

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Feb 28, 2016 | Yamaha Motorcycles

1 Answer

Hi I own a Yamaha neos 4 and I am wondering if I change the Cdi to a Yamaha vitty 125 CDi will my bike work and run faster ?


Hi, Cameran I seriously doubt it CDI is for spark only a four cycle engine is nothing more than a mechanical air box it sucks in air/fuel and expels it as burnt exhaust the more air/fuel you can stuff in the engine and the faster you can expel it the more power and speed you can make start with a more free flowing air cleaner like a K&N and the same with an exhaust system like Yasuni or a big bore kit for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. For more information about your issue and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day
How to derestrict 50cc scooter moped Make it go Faster How to derestrict 50cc scooter moped Make it go Faster
Uploady free service manual
Neos 50 4 stroke Yamaha Scooter Parts Racing Planet UK

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Feb 18, 2016 | Yamaha Motorcycles

1 Answer

How to derestrict a Yamaha YN50 Neos 4 stroke?


Hi, Anonymous for more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
DeRestricting Yamaha Neos 50cc scooter
Tuning Yamaha Neos 50 4t wmv
http://www.scooterunderground.ca/knowledge/manuals/documents/BWS_Zuma_Service_Manual.pdf
https://www.partsfish.com/page/oem-parts-for-yamaha
YAMAHA NEO YN50FU Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Oct 08, 2014 | 2010 Yamaha Neos

1 Answer

Removing clutch drum


Use this pic for illustration purposes:

http://www.bikebandit.com/houseofmotorcycles/2003-yamaha-tt-r225-ttr225r-clutch/o/m145616sch256422

Remove (4) clutch springs and bolts (Items #11 & #12)
Remove clutch pressure plate (#10)
Remove clutch hub nut (#21)
Pull clutch assembly off.

Mar 17, 2014 | 2003 Yamaha TT-R 225

1 Answer

I have fitted the Leo Vince sbk exhaust in my Yamaha xmax 250 and when it heats up it backfires and shuts off help me please


the chip in your ECU needs to be updated as it controls the fuel and air mix so you have more air from your exhaust ,contact the dealer for more information.

Feb 02, 2014 | 2006-2010 Yamaha XMax 250 Leo Vince 8520...

1 Answer

07 ttr 50 clutch not engaging


Hi, Anonymous you may need a proper clutch adjustment for this scenario you will need your service/owners/ manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $7 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
TT R125L Clutch Won Engage TTR
How to adjust clutch on Yamaha TTR 50
YAMAHA TTR50 TT R50 DIGITAL WORKSHOP REPAIR MANUAL 2007 2009 Download...
OEM parts for Yamaha
Yamaha TT R50E Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Dec 23, 2013 | 2007 Yamaha TTR 50 E

1 Answer

Yamaha neos 100cc turn ignition on an all electrics work but bike will not start turn ignition off bike will start.


has someone worked on the bike and possibly switched a few wires around which would cause that to happen

Sep 19, 2013 | LeoVince Leo Vince Sbk Carbon Fiber...

1 Answer

Please could you help? I have a yamaha wr125r 2010 and have just bought a leo vince exhaust without a lambda o2 sensor connection will it be ok to remove the sensor...


Hi, Martin_si135 the answer to this question is way above my pay grade for this situation, I would call or visit my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
http://burgmanusa.com/forums/14-burgman-400-pre-2007/33851-leo-vince-exhaust-lost-oxygen-sensor-plug.html
http://www.innovatemotorsports.com/support/manual/LC-2_Manual.pdf
DOWNLOAD Yamaha WR125R WR125X WR125 2009 2012 Service Repair Workshop...
OEM parts for Yamaha
YAMAHA WR125R Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Aug 12, 2011 | 2010 Yamaha WR 125R

1 Answer

Jet


You definately have a jetting issue. Contact the manufacturer of the exhaust you purchased and ask them to recommend the jetting. You may need to change the primary, the needle and the main to get it right. beware that if you are running it lean as it sounds you are doing, you run the risk of siezing that engine. Fix the jetting before you ride much more. Best wishes!

Aug 14, 2009 | 1984 Yamaha XZ 550

Not finding what you are looking for?
RTO Gas Motor Scooter Logo

Related Topics:

834 people viewed this question

Ask a Question

Usually answered in minutes!

Top RTO Toys Experts

The Scrivener

Level 2 Expert

154 Answers

Pete Bruk

Level 2 Expert

89 Answers

rostit

Level 3 Expert

698 Answers

Are you a RTO Toy Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...