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Sportster Motorcycle Motor - Top End Discuss Sportster Motorcycle Top End issues. Rockerboxes, Valves, Cylinders, Pistons, Rings, Lift Rods, etc...

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  #1  
Old 2nd December 2020
Mike1nw Mike1nw is offline
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Default Installing jugs finally but another Q

2007 883
Finally installing jugs and heads

I don't see, in the FSM, that you install each head when its valves would be shut. Which makes sense to me.

So I guess it doesn't matter where pistons are, you just bolt them on?
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Old 2nd December 2020
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I just posted in you "Potato - Potato" post..... I am lost now...

What are you exactly doing to your 07 883?
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  #3  
Old 2nd December 2020
Mike1nw Mike1nw is offline
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Default

I broke off the nut on the left end of the mainshaft, in Sept.

So, had to replace mainshaft = disassembly of engine......

The cases are back together Now I'm putting jugs and heads on.

Going OK so far. But it's been slow though.
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Old 2nd December 2020
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Quote:
Originally Posted by Mike1nw View Post
2007 883
Finally installing jugs and heads

I don't see, in the FSM, that you install each head when its valves would be shut. Which makes sense to me.

So I guess it doesn't matter where pistons are, you just bolt them on?
The crank/piston position makes no difference when installing the heads, that's correct.

However, it matters very much when installing the rocker boxes.

I know it's not our kit (at least I don't think so?), but common mistake #6 in our kit installation instructions applies anyway: http://www.hammerperf.com/ttinstallkit.shtml#mistake6
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  #5  
Old 3rd December 2020
kitabel kitabel is offline
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Even the boxes don't matter, if you have adjustable pushrods.
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Old 3rd December 2020
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Quote:
Originally Posted by kitabel View Post
Even the boxes don't matter, if you have adjustable pushrods.
You have to position the motor to adjust them anyway.
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Old 3rd December 2020
kitabel kitabel is offline
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What part of my remark is wrong?
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Old 3rd December 2020
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Quote:
Originally Posted by kitabel View Post
What part of my remark is wrong?
Who said it was wrong?

Although I could go down that path if you're interested ... but I was just pointing out that it gives no advantage, the motor is still going to need to get positioned correctly.
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Old 4th December 2020
kitabel kitabel is offline
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Although I could go down that path if you're interested
What did you have in mind?
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Old 4th December 2020
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What was the old method ?

Intake just closing adjust the exhaust
Exhaust just opening adjust the intake
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