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post #1 of 151 (permalink) Old 10-19-2016 Thread Starter
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First pocket bike

Got my first bike, not sure what I have, got it from a guy at work who got it from someone else. Looks like a cagllari or a mta1
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Re: First pocket bike

Sweet. You can post some pics after 3 posts I think. Is it running? Broken? Need parts? Plan too modify?

IF YA AINT MIXIN GAS YA AINT HAULIN AS*

Lucky 7, PBU Scorpion Head Kit, Clone IP2 Pipe, Ported, Rocket key, Fiberglass reeds, NGK spark plug boot, HP spark plug wire, Modded Clutch, Walbro HDA 223 Carb
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Re: First pocket bike

Does it run?? Need gas and oil at 40:1, Have you looked in the gas tank?? I would pull the spark plug and see what it looks like, put the wire back & ground the nut to the engine and pull the rope fast short pulls. If you get a spark, put a teaspoon of gas in the plug hole or down the carb, and pull start it and see if it pops or starts, you can use starter fluid down the carb if you have it. I would take the carb off and the float bowl off, pull the brass main jet and clean everything good.

Empty Pockets Racing: The difficult we do, the impossible takes longer.....
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Re: First pocket bike

Sweet! Cags are way fun. Cheap and easy.

Drag that knee straight into the cone!
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post #5 of 151 (permalink) Old 10-20-2016 Thread Starter
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Yes it runs, did 50-1 cause that's what I read. But first pull. Rode it a few times already. It was a mess though....previous owner was a hack. No bearing in the wheel no spacers, had a total of 9 washers on a bolt (not a axel) no adjusterse either. And exhaust housing is blown out. Try'd to repair it with something (I still haven't figured out what ) so exhaust is held on by 1 bolt. And no muffler just a straight pipe after the chamber. So to answer questions. ...yes it starts,yes it runs,yes I'm buying parts,yes I'm going to modify it lol
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Re: First pocket bike

Nice. On my bike with modified engine I run 32:1. Actually thinking about it I run all my 2 strokes at 32:1. But up too you.

IF YA AINT MIXIN GAS YA AINT HAULIN AS*

Lucky 7, PBU Scorpion Head Kit, Clone IP2 Pipe, Ported, Rocket key, Fiberglass reeds, NGK spark plug boot, HP spark plug wire, Modded Clutch, Walbro HDA 223 Carb
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Re: First pocket bike

Online for $65 shipped you can get a B/B 49cc billet head w/ 5 port cyld, piston, full circle crank & gasket kit.

Empty Pockets Racing: The difficult we do, the impossible takes longer.....
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Re: First pocket bike

To be honest, I didn't like that kit. It had pretty good torque but the vibrations from the full circle crank were awful. It doesn't have much high end either. My revs were stock level. But I could have just put it on poorly.

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Drag that knee straight into the cone!
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post #9 of 151 (permalink) Old 10-21-2016 Thread Starter
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Been all over ebay and pocket bike sites looking at BBK and after a while they all started looking the same lol I definitely don't want the really cheap China one, I've seen the difference at the LBS ,so any more info on this biller one? And a couple more random posts from me and I'll be able to post up pictures lol I only did 50:1 cause that's what it said to use on the cagllari. But I believe I have a mta1.
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Re: First pocket bike

Look at this on eBay http://www.ebay.com/itm/171368594131

I almost thing this kit would be a great one to try. It had a normal looking cyld (no fingers in the transfer ports that impede flow) a boost port window in the piston, and I don't feel a full circle crank is all that great. Could be but I'm not sure. The only thing I'm doubtful about this kit is I'm not sure it has a compression cap. But it might be built in.



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Drag that knee straight into the cone!
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Re: First pocket bike

I have that same kit on my A2 Cag, my problem is $57 to your door. I just receive a 49cc 5 port cyld, 12mm FC crank, Winged Billet Head & cylinder 15:1 Kit, $65 shipped. The best part is the head is 4 pieces and the compression cap fits over the top cyld ring, so it cant move, and you can put sealer if needed. I use the Permatex high temp copper head gasket spray, it gets real sticky and works as a head to cyld heat transfer. On that one in the ad on eBay, one I milled about .080" off the top cyld ring and opened up the side ports, the rope was ripping my arm of till it broke in, and I added weight to the stock flywheel to 400 grams at first but changed to one of the new starter up grade housing kits with a big round steel pawl you add to the center of the flywheel, not to long ago, which adds a little weight.

Empty Pockets Racing: The difficult we do, the impossible takes longer.....

Last edited by EPR; 10-21-2016 at 05:18 PM.
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post #12 of 151 (permalink) Old 10-21-2016 Thread Starter
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Like this forum already. First post in the "visitor section " and getting alot of info. Haven't even posted in a dedicated section yet lol I'll be in the air cooled and 2 stroke ones mostly.
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Re: First pocket bike

Sadly there isn't much activity anymore but those who are active help as much as they can. Just search "pocket bike big bore kit" on ebay and you'll find all sorts of kits available.

Drag that knee straight into the cone!
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Re: First pocket bike

All the kits are from China, so take your pick. Remember, the 40mm/47cc piston has a 10mm pin, the 49cc has a 12mm pin, so if you have a 47cc and you go to a B/B kit you need a 12mm Cag stock heavy duty crank, so you might as well get a $65 kit w/ FC crank. When there were only 47cc/40mm bore engines that made kits w/ 49cc/44mm bore cyld and 44mm piston w/ 10mm pin hole. That's where the name big bore came from. Here are some Boosted306 hp cyld, and a light flywheel. Also 4 different cag cranks.
Attached Images
File Type: jpg Boosted306 HP Parts4.jpg (296.7 KB, 16 views)
File Type: jpg Boosted306 HP Parts5.jpg (73.9 KB, 16 views)
File Type: jpg 100_0511.JPG (509.8 KB, 17 views)
File Type: jpg Boosted306 HP Parts9.jpg (172.2 KB, 18 views)
File Type: jpg Boosted306 HP Parts7.jpg (211.3 KB, 14 views)

Empty Pockets Racing: The difficult we do, the impossible takes longer.....
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post #15 of 151 (permalink) Old 10-21-2016 Thread Starter
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Been on ebay every day lol I'm not just getting a BBK just because. I need to. So my best bet is to get a full kit. Also this bike doesn't have a muffler on it. Has the expansion chamber and a pipe after it. It's loud but is it ok ? I got the velocity stack and cone filter (bike didn't have anything on the carb) going to rebuild the carb soon. No riding here in Michigan in the winter. Probably do the jug at the same time.
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Re: First pocket bike

Yeah I would get the full kit. Just because some people might not like how loud your bike is when riding I would put a silencer on it but up too you.

IF YA AINT MIXIN GAS YA AINT HAULIN AS*

Lucky 7, PBU Scorpion Head Kit, Clone IP2 Pipe, Ported, Rocket key, Fiberglass reeds, NGK spark plug boot, HP spark plug wire, Modded Clutch, Walbro HDA 223 Carb
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Re: First pocket bike

You can beat the $65 kit, I paid $30 for just a FC crank and shipping. Since your not in a big hurry takes about 2 or 3 weeks for China post Bulk shipping and a few days in customs, lol. Your can buy stuff dirt cheap. The billet head is very thick runs a lot cooler than a stock or smaller alloy head. Plus your engine looks sick. This is my Lucky 7 semi chopper w/ engine kit, foot pegs are on the front axle, its shown with C1 water cooled front forks. Have added 4" extension plates to the rear section, it has a new A2 front forks now but building shock front tubes from a mini pit bike.
Attached Images
File Type: jpg Lucky 7 Side Pipe Exhaust1.jpg (356.7 KB, 21 views)
File Type: jpg Lucky 7 Side Pipe Exhaust2.jpg (405.2 KB, 18 views)
File Type: jpg Lucky 7 Side Pipe Exhaust3.jpg (359.5 KB, 17 views)
File Type: jpg Lucky 7 Extended Frame1.jpg (499.5 KB, 20 views)
File Type: jpg Lucky 7 Extended Frame2.jpg (508.7 KB, 16 views)

Empty Pockets Racing: The difficult we do, the impossible takes longer.....

Last edited by EPR; 10-22-2016 at 12:23 PM.
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post #18 of 151 (permalink) Old 10-23-2016 Thread Starter
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Nice build, I plan on doing the full kit, bullet etc etc lol just going to keep shopping around, but like I said earlier they all start looking the same. I need to make some more posts so I can put up pictures
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Re: First pocket bike

You should be able to post photos now. go down to the Upload Photos / Files button, and browse for photos online of from a computer photo file 512Kb or less. Avatar photo, go to Control Panel button, the Edit Avatar button, photo of 90Kb. less.

Empty Pockets Racing: The difficult we do, the impossible takes longer.....

Last edited by EPR; 10-23-2016 at 03:22 PM.
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Re: First pocket bike

Quote:
Originally Posted by Poketbik View Post
Yeah I would get the full kit. Just because some people might not like how loud your bike is when riding I would put a silencer on it but up too you.

The real JetPro exhausts arent loud at all and if you know how to build dual chamber rev pipes it quiets a two stroke down to almost whisper quiet but doesnt diminish performance...it enhances it..









2011 Cag.Won it in a race against my 41mph X1,,,Thing was awefully slow and couldnt break 25mph with the EPA restrictors in the carb and exhaust

43cc 40mm bore engine,,Stock head thats ported with widened transfer ports,,widened/raised exhaust port and blueprinted to bottomend,,lightened the stock piston,,,stock crank,,lightened stock flywheel,,lightened aluminum clutch,Aluminum pullstarter housing,homemade dual chamber revpipe,,modified walbro wt603 carb,,stock reeds,,modded aluminum intake,modded v-stack w/choke,UNI airfilter,,E3 Sparkplug,HP wire mod,no basegasket,,HP 7tth Clutch housing w/3rd bearing support

37mph on bone stock gearing 7/68...........

If you look at the 43cc 40mm bore cylinders theres no compression relief notch like the larger 49cc 44mm cylinders......Those notches bleed off alot of power


The ADA 2pc 40mm 15:1 kit is a way better choice if you modify them to perform....Same goes for all 44mm 2pc headkits....They need enhancement to be really effective too but the 40mm bore doesnt have the decompressor notch


Last edited by CAM2; 10-23-2016 at 05:47 PM.
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