i just got my 143 big bore, race head and all that and i just put the piston on (i installed the 55mm crank too) and i put the rings on and all, slid the jug over and its not going down into the cases.. the 143 says its a bolt on and doesnt need case boring... any one have any ideas? i could be just completely blind and missing something but hell its been a long day of traveling..
am i missing something?
j440
21 - 38 of 38 Posts
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1,618 Posts
well i put it on the studs without the piston in and put the 2 side bolts threw it and tightened on them and it started sucking it in so i think itll fit. i lost one of the wrsitclips though pulling the piston off so im on hold till i find it
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5,239 Posts
dude put the jug is the freezer for a day and then it will probably slide in by hand...will need to be quickly on the assembly before it expands.
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3,869 Posts
Dude, just graba rubber mallet and gently massage it in. When I built mine it was exactly the same way, almost seems like it wont fit, but its just a damn tight fit, it will go in though.
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16,707 Posts
Ok... As you tap it in, something's gotta move. Will it be the sturdy cases, or the whisper thin spigot? You'll be pinching the piston, creating a hot spot, and shortening it's life exponentially. Hammers are for knock-off carbs, not precision cylinders... IMSLTHO
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1,618 Posts
tried the freezer trick and it worked. slid in with a push.
fired it up and got everything adjusted right.. runs good
heres some photos of it all finished
http://img7.imageshack.us/img7/8061/done002.jpg
http://img13.imageshack.us/img13/2382/done003.jpg
http://img4.imageshack.us/img4/8103/done004.jpg
http://img2.imageshack.us/img2/6168/done006.jpg
http://img24.imageshack.us/img24/2998/done007.jpg
http://img12.imageshack.us/img12/3295/done008.jpg
fired it up and got everything adjusted right.. runs good
heres some photos of it all finished
http://img7.imageshack.us/img7/8061/done002.jpg
http://img13.imageshack.us/img13/2382/done003.jpg
http://img4.imageshack.us/img4/8103/done004.jpg
http://img2.imageshack.us/img2/6168/done006.jpg
http://img24.imageshack.us/img24/2998/done007.jpg
http://img12.imageshack.us/img12/3295/done008.jpg
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5,239 Posts
varoom..TBC..
Thankya Thankya very much.
Thankya Thankya very much.
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5,239 Posts
no you owe me nada....... I was quoting the king.. of takin care of business.
most guys here do not even know who that is.
bike looks sweet btw..you runnin a v2 with that 143?
most guys here do not even know who that is.
bike looks sweet btw..you runnin a v2 with that 143?
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16,707 Posts
Joined
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1,618 Posts
Blackwoodz said:
unfortunately no.. at least not yet haha.. just the race head.
current set up is
143 big bore
race head
VM26mm carb
twobros exhaust
tb 55mm crank
tb 4th gear
08 output shaft
lightened flywheel
tb manual clutch with the ring
im looking to get a primary gear and a fmf factory 4.1 next.
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