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Post by millsc on Jan 29, 2014 11:06:43 GMT -5
is this the bbk you're installing? scooterelements.ecrater.com/p/18557368/taida-61mm-big-bore-kit?keywords=taida+61mmi can't wait to get my 150cc, your posts always encourage me to upgrade my ride. that kit looks awesome! although i will be skipping the crankshaft upgrade. too much work for my limited experience. Several more upgraded parts to come they are listed in my signature as proposed plans which will happen. Shipping my head off to Buford so he can work his magic on it pics to follow. you didn't order the head direct from scrappy? what head did you go with? if nothing else i definitely want one of buford's ported heads on my new ride. more pics plz and thank you.  yes that is the kit, but I got the non forged piston figured the forged dome would create compression and clearance issues with the stroker since its domed, but would of went with forged piston without the stroker or if I planned to shave off the dome to make the correct deck height after the stroker |
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Post by millsc on Jan 29, 2014 11:17:50 GMT -5
 taida 61mm kit  30mm runtong carb got it for 47 bucks shipped |
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Post by millsc on Jan 29, 2014 11:23:08 GMT -5
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Post by millsc on Jan 29, 2014 13:05:04 GMT -5
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Post by millsc on Jan 29, 2014 20:35:47 GMT -5
will be ordering tomorrow will let everyone know what i have decided  |
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Post by millsc on Jan 30, 2014 0:16:37 GMT -5
Scooter elements may cut me deal on the 3mm crankshaft so I may do it, the horror stories I read seem to be from installation errors. I may do the 3mm now I won't even attempt to start my scoot until I know its perfect. I will do the 3mm if he cuts the deal if not I'll go with a 2.2 or 2.5 or go all out and do a 6mm with a 92 link chain. I have the skill and confidence to go big would just have to grind some off the bottom of the piston so it won't suck into the counter weights at bdc and the 6mm with correct spacer would be a power house. We shall see how it goes should know by tomorrow night, id rather run a bigger crank with a longer chain than a smaller crank with a overly tight chain. It seems with the strokers you go small or go big and the middle may cause issues either way I'll make it work and work well. Not sure why the spacers you can buy are 1.57,1.65,2.3 and 6mm since you have to add a gasket on each side of the spacer. The cranks need to shimmed half the mm like a 3mm needs 1.5mm clearance plus a few extra for heat expansion so the 1.65 spacer would seem correct but after you add gaskets its too much. Someone needs to make spacers that actually work for the strokers that are being sold and maybe more would go this route. I'll make the correct clearance up with gaskets but no one puts the thickness of the gaskets either and they are all different. Maybe when its all said and done I'll create shims that actually are correct. To all that feel their scooter is done after the crank fails, these small motors are fairly simple, small parts and bolts like a toy, parts are cheap and easy to replace china scoots can live forever with replacements along the way.
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New Rider
Currently Offline
Posts: 4 
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Joined: Jan 30, 2014 22:03:04 GMT -5
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Post by deanc on Jan 30, 2014 22:07:32 GMT -5
How fast will it go after mods? are you going to hop it up even more in the future?
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Post by millsc on Jan 30, 2014 23:16:04 GMT -5
How fast will it go after mods? are you going to hop it up even more in the future? is this my best bud? If so we work together on most all projects he's part of c&b scooter repair. Good addition to the forum all will see him in the mod, talented mechanic and welder. |
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Post by UniqueSP on Jan 31, 2014 9:41:14 GMT -5
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Post by millsc on Jan 31, 2014 19:33:38 GMT -5
All the parts ordered scooterelements cut me a deal so 3mm crankshaft it will be, should have the parts next week |
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Post by millsc on Jan 31, 2014 21:36:29 GMT -5
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Post by justbuggin2 on Jan 31, 2014 22:03:13 GMT -5
that is a good idea marking the holes and bolts so putting back together is easier
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Post by millsc on Jan 31, 2014 22:14:38 GMT -5
Was very easy to remove, the bolts weren't as tight as I thought they should of been and the gaskets broke but I have new ones, so far its been a simple process.
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Post by UniqueSP on Feb 1, 2014 15:47:48 GMT -5
that is a good idea marking the holes and bolts so putting back together is easier yes very good idea. when you put them all in a bowl you can easily forget which bolt goes where. |
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Post by UniqueSP on Feb 1, 2014 15:48:44 GMT -5
Was very easy to remove, the bolts weren't as tight as I thought they should of been and the gaskets broke but I have new ones, so far its been a simple process. With all the vibrations screws become loose. Its good when you are finished and satisfied with your engine to use some blue loctite on the engine bolts that close the casing. |
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