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Discussion in 'Some Assembly Required' started by Bloodweiser, Jul 18, 2011.
141 mph?!? Only off a cliff.
Sweet bike, though.
Motor is out and on the workbench.
I really haven't had much time to play.
Trying to figure myself out a game plan before I get sidetracked.
One of my pistons had some kid of seizure I guess.
Shame. I was really hoping to get by without an overbore and some new pistons.
It's cool, one of the rings is like welded to the piston.
But the scoring, both on the cyl and piston, are clearly evident
and even a man of my limited decency would feel guilt about using them again.
I'm planning on doing the motor during my winter break from college.
I've got until then to tear down and make a parts list.
What else is going through my head, is a bit of guilt for planning on defacing such a nice example of an RD.
I mean, someone tell me there's a ton of these out there and to keep on chooglin'.
Calling all 2 stroke nerds:
1. 11,xxx miles - should I budget in a crank rebuild? Read that if a crank is removed it should be checked.
2. What's the poor boy's method of cleaning ports?
3. Anybody remember how to get the stator off?
4. Recommendations on electronic ignitions? Damn shit is pricey.
I would at least plan on doing crank seals, infact it could be the very reason your piston is toast :eek1 Old seals leak air which causes lean seizes.
And because the crank has to come apart to do the seals do you really want to scrimp and not do the bearings?
Busting it apart a second time to do bearings would really suck.
I cant imagine doing the whole motor would cost a whole lot. THeres about a billion of these bikes out there and plenty of parts available.
You may also consider trying a industrial supplier for the bearings sometimes you can get a heck of a deal from them.
But in the spirit of the competition.... Break the ring free with a file.... sand down the piston until smooth and throw some new rings on it. It will run. I actually know a guy that did this on the side of the highway during a cross country trip and the bike made it the distance!!!!
The electric ignition sure beats playing around with the points when you don't have to .....
I'm not sure if we made all of our rules public,
we are very disorganized people.
Somewhere along the lines,
we decided we needed to make some sort of stipulation to get the project moving.
I mean, otherwise we might just start playing the game
instead of building bikes.
Like right now, I've got a few points ahead of BP and the end of the year is coming.
If we didn't change anything, I should not touch my bike until 2012
if I don't want to loose this year.
We talked about creating incentives,
and stimulus packages....
but what we decided was any $$ spent to get the bike running (initially)
would not be counted against anyone.
Upgrades not included. Stock replacement parts only.
So we created a window of opportunity,
to at least get our bikes running.
Caddieshack - expect to hear from us soon
How about less rules and more build???
I needs a nasty greasy bike picture fix
-10 points/week for no build update
+ 10 points for women and smoke updates
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I was hoping to be a bit further along than this....
Been just pulling shit apart,
for reasons no greater than boredom and curiosity.
And I am curious, about this bearing plate or something
that covers the center shaft. My manual makes no mention:
Fucking phillip bastards are holding fast too.
I'm going after those later today, and then the cases will be split.
And I'm not sure why I'm doing that either.
I'm at an impasse, and am having a bastard of a time deciding on direction.
Do I rebuild the crank, bore the cylinders and get new pistons now?
Or, in the spirit of competition, run a destroy first?
I could really use input on this.
I've been mulling this over for months
and have reached no conclusion.
On one hand:
motor is out,
my crank is sqeaky (uh, they're not supposed to do that, right?)
and $300 would take care of business.
On the other hand:
I could just sand the pistons,
hone the cylinders,
re-ring and be done with it.
Probably going with the other hand,
although squeakers the crank is making me thing otherwise.
This caught my attention.
Gouges on the cylinder's mating surface,
though there appears to be no sign of leakage.
I'll probably leave it alone for now,
maybe build it up with some JB if it proves to be a bastard.
And lastly, for now,
clutch hub is rather notchy.
does wet sanding sound like a decent idea?
More to come.
I'm getting back into the swing of this shit,
and am only taking 2 classes this semester,
and spring is approaching fast.
Fix it right. Get rid of the squeek in your crank.
Wet sanding? i used a small flat file to make sure that i cleaned it up evenly and did so until i could no longer feel any unevenness in the surface, though i will note i could see the aluminium was slightly discoloured. I am unsure why it was darker, perhaps it was because the surface had been "worked" by the plates a little.
For the curious i had only taken about 0.25mm off each surface and that has gone a long way to fixing the stuttering i got from this up.
yep flat file to the clutch basket is the answer. File those grooves out and it will be fine. Its not a fix per say but a bandaid. The notching will come back after a while as it seems like when you file it you file away the hard anodizing. But it will work just fine...till it doesnt anymore. But I doubt youll get enough miles on this to have to worry about that. File away!
I do occasionally ride, you know.
Thought I would throw some inspiration your way
Not sure if you've figured this out yet or not but all those little plastic gears on the right side are for the oil injection pump, I would bypass it before running and just mix it yourself, could be one reason that piston looks like it does because they are known to fail quite often.
Also i'm not sure how many but lots of those parts will interchange from one model to another, and even the dime a dozen banshee 350 shares lots of internals with those old bikes, may be a really good way to save some money on crank and pistons.
one thing I just thought of. I used to have a Banshee years back. One thing I used to see on mine and others from time to time that was a tell tale sign of an internal problem is fowling the RH plug ie coughing/sneezing out the RH silencer. Its a bad crank seal. Seal goes out and sucks tranny oil in via the clutch side. The LH side is dry. So if its killing the RH plug it probably needs new seals.
Just dropped by to demand a progress report but read that little tidbit on the first post. Carry on lads.
Shit. Well, we all hope to be farther than we actually are, right?
Where I'm at:
I just started reassembly on the motor,
but had some fun with my new media blaster on the cases first.
Started to put the transmission in
when I noticed on of the bearings was quite notchy.
Most parts places carry it for $55, but I googled the part #
and found this awesome website called boats.net
who sells the part for $35. :eek1
Also had all my seals for ~$2 cheaper each than other dealers,
great prices - though I haven't gotten my parts yet.
Crank is out to Lyn Garland,
who was recommended by some here
and several on other 2 stroke sites.
Should have my crank back in a week with all new shit glistening on it.
This turned out to be quite a slow start for the both of us,
but hopefully that will end soon.
Bulletproof just bought his first house,
and I'm finishing up my last semester of grad school.
Soon to come, the limiting factor won't be time and money anymore,
but just money.
Is it just my eyes and a bad pic or did you really sand blast all those bearing surfaces?