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TP Engineering 107" from a 2000 Big Dog head bolts and oil lines

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6.6K views 7 replies 4 participants last post by  Hoges  
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#1 ·
Anyone know if these bigger motors use the same torque specs and methods of an evo, or if they're different? I've marked the bolts in the picture incase I named them incorrectly.

Also, the marked oil line. On my FXR this is a line that runs to the swingarm area for venting. I assume this is the same. This motor had been sitting for a long while and when I turned her over oil poured out of that line. I assume this is more of a, she was filled with oil from sitting, more than a nope, that's a return. The big dog had the marked line tied into another oil line. So I thought I'd ask.

Thanks for any help and advice.
 

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#2 ·
The circled oil line is the crankcase vent line, and is generally vented to atmosphers,,, after a long unused toke frame, oil can puke out that line
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As to the head bolt torque specs,, you should contact TP Engineering,, or the head gasket manufacturer for specs,,, it has been a long time since i had a TP 107 apart... they do use a narrow skirt design piston,, and usually come with a crane 600 cam,, this cam sometimes causes hard starting, due to the lobe timing, i replaced the crane cams with S&S 600, to cure starting issues (battery & starter motor)..
 
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