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-   -   Rebuilt the engine! (http://www.gz250bike.com/forum/showthread.php?t=2901)

Water Warrior 2 02-21-2010 02:00 AM

Re: Rebuilt the engine!
 
Sounds like a sucessful rebuild.

MLGTIB 02-21-2010 10:23 AM

Re: Rebuilt the engine!
 
It definitely was. Now I am thinking of adding the 16t sprocket, but i am not sure. I am worried that the engine will rev to high. What do you guys and girls think I should do. :??:

Water Warrior 2 02-21-2010 09:52 PM

Re: Rebuilt the engine!
 
Quote:

Originally Posted by MLGTIB
It definitely was. Now I am thinking of adding the 16t sprocket, but i am not sure. I am worried that the engine will rev to high. What do you guys and girls think I should do. :??:

Going from a 15 to a 16 tooth front sprocket will reduce the rpm.

MLGTIB 02-22-2010 09:33 AM

Re: Rebuilt the engine!
 
So if i am understanding this correctly, it will reduce the rpms and increase my speed capability.

patrick_777 02-22-2010 10:32 AM

Re: Rebuilt the engine!
 
It will lower the top end speed slightly too.

Easy Rider 02-22-2010 11:34 AM

Re: Rebuilt the engine!
 
Quote:

Originally Posted by MLGTIB
So if i am understanding this correctly, it will reduce the rpms and increase my speed capability.

Theoretically except........the little 250 runs out of raw housepower when the wind resistance gets to high so you typically loose a little top end in 5th gear. With the rebuild you have done, it might not be as noticeable to you as it is for most.

The real advantage is in the lower gears where you WILL gain some speed and can stay in each gear a bit longer. If you encounter a situation where it won't pull in 5th gear, it will do ~50 in 4th for short stretches.

MLGTIB 02-22-2010 12:40 PM

Re: Rebuilt the engine!
 
if that is the case then I think i am just going to leave it alone. I thought that I would get a bit more speed overall. Thanks for the clarifications guys. Happy riding to all.

Easy Rider 02-22-2010 01:36 PM

Re: Rebuilt the engine!
 
Quote:

Originally Posted by MLGTIB
if that is the case then I think i am just going to leave it alone. I thought that I would get a bit more speed overall. Thanks for the clarifications guys. Happy riding to all.

If you do much freeway riding, that's probably a good decision......BUT.....

A LOT of us have been amazed at the better feel and it only costs about $16 and takes about a half hour to change out, including a minor chain adjustment.

If you don't get on the freeways much, I highly recommend that you try it. With your mechanical skills, it should be a breeze to change back.

MLGTIB 02-22-2010 02:07 PM

Re: Rebuilt the engine!
 
I have never taken it on the freeways. I am more of a street and canyon rider. I guess it wouldn't hurt to try it and see how it feels. Which one would be the best to get and from where?

Easy Rider 02-22-2010 04:20 PM

Re: Rebuilt the engine!
 
Quote:

Originally Posted by MLGTIB
Which one would be the best to get and from where?

A sprocket is a sprocket. I got mine through the dealer; about $16 and 3-day delivery, steel.
For that price, I didn't even look around. I think they charged me 1/2 labor to install it; about $35.

The replacements don't have the rubber shock section but if you don't speed-shift, you shouldn't even notice that.


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