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About spezza-125

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  1. spezza-125

    Why is my bike smoking?

    yes it is, If you follow me on instagram : Spezza_125 you will see it. However, I was told by the previous owner that the piston and rings did need replacing.
  2. spezza-125

    Why is my bike smoking?

    Hi, So I just picked up an RFVC xr250r for only $850 canadian, It looks and runs great! Only issue is... it smokes... a lot. I was going to replace the piston and rings but then I noticed oil on the top of the head. So this made me think, where is the oil actually leaking from?/burning oil from? I will try to put up pictures soon. Update: By the way, the bike has lower compression than should be normal? Im not sure what default is, but it seems low.
  3. The thing is, these newer bikes don't last a long. You got it for a decade and the value will drop quite tremendously. Older bikes like the xr's for example are bulletproof bikes. Personally I would buy a "New" (Mint condition) Xr or bike like that, ride that and keep it in good condition and the value will hardly decrease. I just bought an rfvc xr, and these bikes will keep going and not loose value if you keep them well maintained.
  4. spezza-125

    85 and 84 rfvc?

    What was the difference between the 84’ and 85’ xr250’s? I know there were some improvements, but I ma not sure what that was
  5. Hi there, So I am starting racing with a new bike, 1985 (rfvc) Xr250r. This bike is a race bike, however I was wondering how to keep it cool as it is air cooled, now the oil I use doesn't tend to overheat too fast however after a full day of racing i'm sure it will. How can I install an oil cooler? I have read article about people modding the xr200r (Rfvc) to have one. But not how to do it... So How do I do it?
  6. spezza-125

    Seat height 1985 xr250r?

    What is the seat height on a 1985 xr250r?
  7. spezza-125

    How do I swap a CDI?

    I got an older xl185, and I just picked up a cdi for it. Im kinda a noob so I was wondering how do I swap a CDI? It has the wrong one in it and won't run properly with it. :/
  8. spezza-125

    Need help deciding

    First of all, all of those are good bikes. But from a 150 to a 250 is still a big step up in power. As a crf150 tops out at maybe 95kmh where as my xr250r tops out at 135. Remember don't be afraid to get an older bike. If you are just riding trails I recommend an xr200r or 250r, those bikes are bulletproof and are very good with some pretty good torque, I just picked up an 85' xr250r (DualCarbs) and I use it for trails and racing. But to be honest I would recommend a smaller bike, if you want the power a 2 stroke would be good but are more made for racing, my friend however has a 1991 kdx 200 and that is a good trails bike. Personally I would recommend a xr200r or a crf230.
  9. spezza-125

    Low Compression 4-stroke

    Not yet, I an replacing the cdi right now. I will check it after
  10. spezza-125

    Low Compression 4-stroke

    So I got an xl185 (4 stroke Honda) which I bought in the summer. Bike had a very poor electrical job and the wrong cdi. It used to start up first to third kick. Now it doesn't. I was playing around on it today for a good hour trying to get it started and once I did, It osunded like there was a rattling/clanking in the engine head. My mechanic said that the bike had low compression and needed the new CDI (As I took it to him when is wasn't running). I read an article by a guy called the motorcycle mechanic saying that it could be one of 3 things and I could test it with oil in the chamber, and seeing if the compression changes. Is the sound caused by low compression? Would it be okay to leave it if I am selling the bike? Also It is harder to kick when gas and choke is on rather than when it is not. UPDATE: Bike sounded fine a few months ago and kicked about the same (Had some resistance)
  11. looking at buying 1984 Xr250 rfvc has a broken cam chain, is the bike interference or not?
  12. spezza-125

    1984 XL250 parts with 1984 xr250?

    Cam chain broke, so I need to replace that, plus possibly sprockets and rebuild the head to make sure no damage was done to that so I may need some parts from the head
  13. spezza-125

    rfvc 250 engine in xr200 frame

    The bike chassis is from 1984 and the original engine in it was a 1984 xr200r engine (RFVC) and the 250 engine is also a 1984 Xr250r (RFVC) engine
  14. So I am rebuilding my 1984 xr200r dirt bike, but it has an xl185 engine on it, which i have a 1984 xr200r engine which needs some work done, like new cam chain. I found out that the xr250 RFVC and xr200 RFVC in 1984 shared the same frame and I am putting the 250 engine in the bike however it is not running and I would rather not spend too much on parts, I found a guy selling a bunch of parts from an xl250 and I was wondering if I could use parts from that for the xr250 engine? Is there a big difference between the two? the xl and xr engines are both rfvc
  15. spezza-125

    rfvc 250 engine in xr200 frame

    So I bought a 1984 xr200r dirt bike with an xl185 engine in it (Dual carb frame) and I found a rfvc 250 engine for sale cheap near me and I was wondering if it is possible to fit the 250 engine in the 200 frame.