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About Yamaha0963

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  1. He is used to the light and simple power of an Air cooled, single overhead cam, trail bike engine. I would recommend staying on this platform and just get a bigger bike. The YZ125 is a good bike in size but not in power, it will definitely be too much him. A great choice is a 125cc/150cc 4 stroke like a ttr-125 or a crf150”F”. These bikes have the same engine on a bigger bike. Of course they will have more power than the 100cc but they will be much more comfortable to ride. If you want power though, I recommend a Honda crf150 “R/RB” these bikes have a race engine and pretty much are 250cc mx bikes on a smaller bike that would fit him nicely. I recommend a smooth transition. Going from a 100cc 4T to a 125cc 2T isn’t the smartest thing. Xr100 to a crf125/150F is much better. The Honda crf150R is a great bike to transition from a trail bike to a race bike. Remember, you are not just looking for seat height, make sure it’s not too much bike for him. Good luck!
  2. Interesting... didn’t those have one big ass radiator?
  3. Interesting... didn’t these bike have one big ass radiator?
  4. Lol..... I have an 02 model and it’s pretty good. I’d like to hear what you have to say about the 97-99 models.....
  5. Never liked Suzuki. Always the heaviest and slowest, usually end up last place on shootouts.
  6. Hey guys so I have a Crf100f that I practice my wheelies with and it has a stiff clutch, stiffer than my 02 cr250! At first it isn’t a big deal but after a while of popping the clutch, my wrist starts to hurt and my hand gets weak. I also get nasty blisters where my fingers pull the clutch. The bike is in really good conditions and clutch cable “seems” to be ok. (Never cleaned it or anything) What is a good clutch perch system that will make the clutch lighter? Ive seen bearing pivot clutches but some ppl say they don’t make it easier to pull, something about the clutch ratio/geometry??? I will clean the clutch cable and see if it helps.
  7. Smart. Well it shouldn’t be any louder, it’s just a small screen. I’ve had aftermarket exhaust where you can remove the spark arrestor screen and there was no noticeable difference in sound.
  8. Then it should just be the same. Why do you want to remove it? There’s not gonna be a noticeable difference.
  9. The spark arrestor in the exhaust?? Usually it’s a whole baffle and yes it will be much louder if you remove it. It will be pretty much buying an Aftermarket exhaust. You might have to rejet depending on how your jetting is.
  10. I’ve seen ppl use heat guns too. I saw a video while back where someone use acetone or mineral spirits (something like that) and his faded white plastics came out looking like new even with a shine. I’ll try to look for the video. turns out that it is a 60/40 mix of paint thinner and boiled linseed oil. He just rubbed it on looked pretty good. After a while his plastics still look good.
  11. Hey so I bought a Harbor Fright parts washer (20gal) and I want to add a heating element. I read that some people use a water heater element like the boiler ones but I want something easier and cheaper. Any ideas?? I don’t mind wiring things up as long as I have detailed instructions. Or does anyone have instructions on how to add the water heater element and where I can buy the parts? Thanks!
  12. I checked it out but it only tells how to just the left one. What about the right one?
  13. So I popped of the Ricky Carmichael valve cover on my 02 cr250 and I was not pleased. I would just adjust it but the bottom lock nut on the right cable is stripped and won’t thread on. Each cable is like $10 so I ordered both. How do I replace them and adjust them? The service manual is confusing me. Thanks!
  14. I have no idea what it has. I’ll look into it
  15. So I have a 2002 cr250r and it has a Keihin PWK 38 carb long body and screw on cap style. I know that a lot of cr250 owners replace the stock mikuni with the keihin. I check the spark plug and it’s black with carbon build up. I am in Dallas Texas and I ride from 510’ to 1100’ depending where I ride, temperature changes a lot. One day it can be 40 and the next day it can be 70, it should stay above 60. What is a good jetting set up for the keihin on a cr250 for where I ride. Thanks.