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Post by nelson on Feb 13, 2014 15:20:56 GMT -5
looks fun!
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Post by nelson on Feb 13, 2014 15:31:49 GMT -5
what kind of rpms is that bike turning? what pipe are you/ do plan on running? I dont want to but another carb so i will be using my 19mm hopefully it is enough. I think it should be.
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Post by 2strokd on Feb 13, 2014 15:36:43 GMT -5
Usually between 11-12,000RPM
In that vid its running a 190mech custom made Peace Pipe
Not sure what i am going to run on the street but it will be much milder.
Probably a Phogneer exhaust or something else quieter like that.
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Post by nelson on Feb 13, 2014 17:15:40 GMT -5
i went with the full circle steel 43.5 crank. I assume all steel can sustain more rpms than the one with plastic inserts. www.partsforscooters.com/169-319-Hoca-Crankshaft?sc=38&category=138836now i need to find the bushings for the engine to mount to frame....i will check out secret 90 thread. i am going to run the 52mm cylinder and correct the port timings. I am also do some work on the case before assembling it. |
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Post by Sitticuss on Feb 13, 2014 19:06:11 GMT -5
Cool longer stroke with that then. I hear longer stroke cranks are preferred by most female scooter riders everywhere.  |
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Post by 2TDave on Feb 13, 2014 19:34:23 GMT -5
Roflmao!!!
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Post by nelson on Feb 13, 2014 21:36:40 GMT -5
I disagree, its more about hitting the powedband!
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Post by nelson on Feb 20, 2014 13:25:57 GMT -5
 well, i got my first part! i got new bearings and the case insert bearings so i can put the case together. First i am going to do some work to the reed/transfer area and match the cyliner with the case. Every little bir helps! |
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Post by Sitticuss on Feb 20, 2014 13:37:52 GMT -5
Sweet  |
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Post by moofus02 on Feb 20, 2014 13:50:52 GMT -5
Nice looking crank
Sent from my SPH-L720 using proboards
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Post by nelson on Feb 20, 2014 15:01:27 GMT -5
thank you, i try to start my builds with a decent bottom end. No since getting crazy with the top end if i cant depend on the crank. Hopefully this thing will bring happiness! At least now i can get the case ready and then work on the port timing.
My piston is used but in great condition as the cylinder is(52mm) i plan to work the ports then hone. What do i do about rings? just buy new ones?
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Post by Sitticuss on Feb 20, 2014 15:03:36 GMT -5
Just buy a new piston and rings. That way you'll have a spare their not that pricey.
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Post by nelson on Feb 20, 2014 16:01:29 GMT -5
any suggestions? i guess i need to mic the cylined and piston make sure it hasnt been bored over. Just buy a new piston and rings. That way you'll have a spare their not that pricey. |
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Post by 2strokd on Feb 20, 2014 16:48:31 GMT -5
Ide get a new one, otherwise if the rings look good use them
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Post by cn6301 on Feb 20, 2014 22:54:29 GMT -5
I think the rings and piston look fine. No scaring or wear on piston skirt.
What kind of hp do you think these motors put out? I know they are more known for torque but I just want to know that this thing will put my 70 with zxr to shame. I want to use the right parts to make it worth my time. My 70 will hit 45-50 pretty quick. I just hope I don't build this and not be impressed.
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