rabbithounds
Member
- May 23, 2007
- 15
- 0
Patman said:He'll be fine. Chances are he'll crash but he'll be fine. The flywheel weight will smooth things out. Go get yourself a bike. Borrow the gonads from your kid if you need some.
:)
rabbithounds said:but WHOA this thing could launch me 30 ft over a hill much less him at 60 lbs.
Tell me its just my fatherly nature and its not really that viscous. Tell me I'm just getting old and can't remember what my old bike feltlike. Tell me he'll be OK on it.
QUOTE]
rabbithounds.
I can't tell you how many skinned-up peewee dad's I have seen. :ohmy: :nod: These bikes are not designed for anybody bigger than your son. When the dads ride them, they become unbalanced because we sit so high and so much towards the back of the bike. When they come on the powerband, :yikes: they loop out and there goes dad. :laugh:
Your son will be fine. He will get used to the hit. The flywheel will help and you can even limit the throttle by installing a piece of tubing around the throttle cable inside the carb between the slide and the top cap. This will limit how much throttle he will get and you can cut the tubing shorter when he is ready for more throttle.
The best thing you can do to make him safer and yourself feel better is get him all of the good safety equipment. Make sure he has a good helmet, boots, chest protector and even a neck roll or Leatt brace if you can afford it. He will crash. Be sure you prepare him and yourself for it.
Good luck.
FruDaddy said:It seems that the smaller the bike is, the more violent the hit is,
rabbithounds said:Then a few minutes later while I was pushing it to the garage for supper time he asked if myself and his mother would get mad if he went little faster. In a strange sense it was a relief.
Was I talking about acceloration? No I was talking about hit. Why don't you go get on a kx65, then hop on a YZ85 and tell me which has more hit :nod:2 strokes for life said:150rguy, most 65s will beat a YZ, or CR85 in acceloration any day.
No, I have not ridden an 85 2-stroke, but my base knowledge on engine dynamics (although some here may know more about the subject) tells me that small displacement engines, expecially those with small bores, that are tuned for high RPM power rather than bottom end torque, basically have no bottom end. Now remember that my generalizations don't take into account rod length, stroke, or bore, I am anly talking about single cylinder displacement. The only way to get a tiny motor to produce a ton of power up top, is to take it away from the bottom. While I have no doubt that the 85's, especially non-powervalved (I believe some have the valve), have a bit of a hit, and are more powerful up top, they do have greater potential for bottom end torque, and thus are not likely to be as violent at the 65's. I also believe that the hot rod 50's would be even more scary if they were equipped with manual clutches and not tuned to start pulling after the power hits.150rguy said:Was I talking about acceloration? No I was talking about hit. Why don't you go get on a kx65, then hop on a YZ85 and tell me which has more hit :nod:
Having been around and or owned both, I can honestly say that you are incorrect, the YZ85 and CR85's have a monster hit when set up to run correctly! I remember whacking the throttle in 3rd gear and just about looping the CR85 out, man I was NOT expecting that kind of hit in 3rd gear! The KX65 was not quite like that. Now the KX85 is a different story, with the power valve it feels very tame and I would agree that the KX65 has a harder hit than the KX85, but not the YZ and CR!2 strokes for life said:150rguy, most 65s will beat a YZ, or CR85 in acceloration any day.
Amen...SteveinSpringHill said:... Bottom line is seat time it's amazing how these little guys adapt. Especially if you get him out there with a bunch of other kids on 65's.
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