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So my parents have not let me get my license yet and I need to get around to gets parts and stuff. Answer: Yamaha CW50 scooter. This is a 2-cycle self-mixing scooter that so far, I am really surprised with the power output and speed. It reaches about 45mph since the speedo has been disconnected and has plenty of power for two riders. Its stupid looking, but with some work and a title and plate, it'll take me around town.. My issue is this: No key. I bought it for $150 from a friend and he bought it from someone for $100 who wired in a switch in place of the ignition. That guy got it form his neighbor who's renter left it behind. The scooter will run with this switch on or off (kill switch on handlebar kills engine) To get it tiled and a plate so its road worthy, I need to get the ignition working either by a replacement key or a new ignition. All wires are cut to the ignition and the switch turned on the power to the signal light switch. Also, the 2-cycle oil was leaking out the carb, through the air filter and onto the scooter. also, it runs great, but its making blue smoke with throttle and the muffler is wet with oil.
(I have new signal lights for it btw) So the issues I have with it summed up:
No key (need new ignition) smokes burnt out headlight- can I replace them with LEDs?
So my latest find is a Moto 4 250. Looked in good shape, started right up but would backfire and die upon acceleration but you
could get it to go if you were good with the throttle. I figured it was the carb. was a brand new Chinese carb, he didn't have original.
I took it apart and cleaned it, only thing I found was some debris in main jet and the main adjustment on bottom was at 41 turns. Cleaned
it out and set at 2 turns, re installed. Starts up, runs better actually drove it but seems really sluggish, once I hit 3rd gear could barely pull
it. Rechecked everything, even ordered a new carb as I had this problem with another atv but still same problem. Now I pull it apart and
decided to check compression, I show only 85 psi. I checked valve adjustment (after aligning up cam gear to mark on case). to make sure not too tight still right at 85 psi.
I assume I need to pull the head and look at the valves, Any ideas I am missing something? motor does not smoke but is super sluggish.
The specs I find are off the downloaded manual of a 94 but figure should be the same. It states compression standard is 128 and Minimum is 114 and Max is 142
Any other Ideas before I tear it down? Thanks in advance Az
I started this project a while ago.. I have decided to make one thread I can continuously update..
So , here we go. I got this Raptor 80 in really bad condition.. Rear end frozen, Engine toast, tires dry rotted, tons of rust..etc.. They admitted they beat on it very hard.
Since they do not make these with a drive shaft anymore I decided to restore it from top to bottom..
These are photos of when I got it home.
Next up, the tear down..
First, I needed to tear it down and determine if the rear end was still good... As we all know... That is where it would be cost prohibitive to restore if it is trashed..
Got it completely stripped down and I lucked out... The rear Drum brake was caked solid inside with dried mud. That was causing the rear end to lock up. Took off the rear brakes and the rear end spun perfectly smooth.
Once I got it all stripped apart I needed to take the finish off all the parts. I am going to be powder coating the frame and many parts.. Once the finish is off each part it will need to be sandblasted to white metal .. The guy I use for powder coating gives me a hefty discount if I bring the parts to him ready to go.
You could just sand blast, but that would take a long time to get the finish off. First I used Aircraft Paint Remover.. That stuff is pretty toxic Goggles and Resperator are required. That quickly gets you down to the metal... Then you can sand blast to white metal pretty quickly...
I had another thread I had started about a problem with the tear down... It has some great info .... here is the link... It is about removing the frame bushings. ....
By Gary Ferguson
My old Big Bear nearly left me stranded but I managed to limp back to my garage just before it died. Now No Spark. I’ve changed the obvious, inexpensive and easy parts- spark plug & coil without any luck.
Ive stripped it down and traced all of the related wiring, checking as many connections as I can but no luck again.
Next I pulled the cover and accessed the stator housing to inspect and do some resistance testing to ID a possible short.
Here are my readings:
Source coil- 325 ohms
Pickup coil- 225
Can anyone tell me if these are good numbers, and if good, where to go next?
I assume my next purchase will either be a new stator or CDI, but since neither of these tend to be returnable items I want to be as sure as I can I’m gonna get a resolution to the problem!!
Gary in SC
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it all started with the the negative terminal buzzing when i try to start it. in attempting to fix that now when i turn my lights on, on the four wheeler all power is shut off. will still pull start but would like to have all issues resolved. any ideas?
As we close the 2014 year and plan for 2015, we have decided to shut down a few sections here on QUADCRAZY. Effective immediately, we are closing our Blogs, Groups, Events, Polls, Photo Battle, Quiz, and Music sections. These are not widely used by our community and often attract spammers. Any questions and posting should be primarily made in our forum section as we move forward.
In 2015 we will focus on making sure our forum continues to be the primary spot for our members to gather, ask questions, and share their ATV experiences. We are also exploring ways to update our community to newer and more up to date platforms as technology is changing, mobile connectivity is growing, and some of our sections are not as "mobile friendly" as we would like.
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Hello! I am new here and I need some help from the experts. My 9 year old son was given an adult sized 4 wheeler for Christmas. He has never ride one and has never taken a training course. Of course, I just found out about this but was never consulted about him getting this, either.
Anyways, he was able to ride it this morning and has never had any safety training and honestly, I am petrified he is going to get hurt. It will happen, it's just when.
I am in the state of Indiana and the law states you must be 14 years old to operate unless there is direct supervision of an 18 year old or other. What exactly does "direct supervision " mean? Is rhis within site of the person riding or is it someone that is ON the ATV?
Also if there are ANY SUGGESTIONS you guys can give me regarding this it would be helpful.
My son is only 9 and a very immature 9 year old at that. I feel he has no business being on this without proper training but apparently that isn't as important to some people.
Also, if there is anyone in the state of Indiana on here that can tell me the rules that would be awesome.
*in addition* the 4 wheeler is for an adult. My son is only 4 foot 9 and 65 pounda. He's tiny. I am afraid he is certainly nowhere close to having the weight to control this machine.
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