Honda spree- partially stuck piston EXPERT NEEDED

[paulpauly7]

while the cases are apart its a good time to open up the intake windows for better flow

[patthesoundguy]

while the cases are apart its a good time to open up the intake windows for better flow

It doesn't take too much in the intake windows to make a noticeable difference.
Before

After

For a stock reedblock this is all that is really needed, because the flow is directed by the reed block and air never hits a lot of the window area. Now if you In tend to run the taz intake on it then the top of the window will need better transitioning and the bottom of the middle piece will need more work as well. But I hope the scooter gets running again so anything like this will be of benefit

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[swimmingfree]

you will need to think about new crank case seal as well if the crank is bad it wood of fup the seal ....
swimmingfree

[Guitargraham]

Again excuse my lack of experience, but which bearings do I need? Is the process self explanatory or difficult? Are seals like gaskets and which do I need?
Thank you all so much for your help already.
Here's the link to the website with the bearings I might need: http://www.powersportsplus.com/parts/se ... parts.html

[noiseguy]

Replacing these bearings is not a trivial process and requires a couple special tools. Read the manual and you'll see what I mean. You may want to just find a used case with crank, or another engine.

Sorry.

[Guitargraham]

Thanks so much for the input! I think I might just swap in a new engine though, there are too many special tools to buy. Too bad, I was looking forward to learning how to redo the bottom end and learn something. Anyone have a spare spree engine?