G Gary B. ~SPONSOR~ Apr 17, 2000 684 0 Jan 1, 2003 #2 There's been some other posts about flywheel weights, lower gearing, and porting. Do some searches, they're out there. I'm thinking of making my son's CR80 a little more off-road worthy myself.
There's been some other posts about flywheel weights, lower gearing, and porting. Do some searches, they're out there. I'm thinking of making my son's CR80 a little more off-road worthy myself.
F flying W Member Mar 30, 2002 78 0 Jan 2, 2003 #3 Changing the porting will make the biggest difference by far.
M Matt90GT Member May 3, 2002 1,517 1 Jan 2, 2003 #4 Talk to Eric Gorr about boring that bike out to around 100cc. Heard it smooths things out and increases the torque a lot on the small bikes.
Talk to Eric Gorr about boring that bike out to around 100cc. Heard it smooths things out and increases the torque a lot on the small bikes.
S sluggerjoe Member Dec 1, 2002 34 0 Jan 4, 2003 #5 I'll let you know when my son's YZ 80 is done. It is unseasonably warm here right now, so I don't want to tear it down yet. I'm going to have the EG porting done and install whatever reeds he recommends.
I'll let you know when my son's YZ 80 is done. It is unseasonably warm here right now, so I don't want to tear it down yet. I'm going to have the EG porting done and install whatever reeds he recommends.