How-To: Repairing Your Pullstart - Page 2 - Pocket Bike Forum - Mini Bikes
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Re: How-To: Repairing Your Pullstart

Check to see if your spark plugs is firing with it off and the wire on and plug grounded to the engine, and or new plug NGK BM7A. Need to spin the flywheel fast for a good spark. If you get a spark, put a little gas down the carb and try to start it. If the bike sat for awhile I would clean the carb float bowl and main jet and atomizer tube.

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Hey I just got an Aoli 39 or 40 cc aircooled think it might be c1 blata rep but does anyone know how to recoil the pull start on them
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Re: How-To: Repairing Your Pullstart

You have a 39cc China Blata clone, or C1 or MT-A4. Is it air or water cooled?? I have both but my C1 is the 50cc version.
The starter pulley has a spring that retracts the rope, if it breaks not going to work right. A new starter housing can be found for as little as $20. If the rope is bad, I use #6 chainsaw starter rope, you can rewind the pulley while still together if your slick.
Attached Images
File Type: jpg C1 Eng water cooled.jpg (494.5 KB, 4 views)
File Type: jpg C1 water cooled 2.jpg (491.4 KB, 5 views)
File Type: jpg C1 Flywheel & Water Pump Pulley..jpg (432.0 KB, 7 views)
File Type: jpg 40cc Air Cooled C1 Blata Clone1.jpg (455.8 KB, 6 views)
File Type: jpg 40cc Air Cooled C1 Blata Clone2.jpg (477.4 KB, 6 views)

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Re: How-To: Repairing Your Pullstart

Unless the spring comes undone from the spool when the rope snaps you never have to take the pullstarter apart to install the new pullrope...

Seeings like it sounds like the advice is a moot point but info none the less you must get the spring wound back up tightly then put back into the pullstarter housing then try to guide the j bend on the spring into the spool then reattach with the bolt...

The spool gets spun tight then hole in spool lines up with the hole in the pullstarter,,the rope is fed into the pullstarter hole and fished out through the spool pulled about 5" knot tied then rope pulled tightly then spool then letgo of spool to wind the rope up......

If the rope is too long after it retracts it can be adjusted /shortened through the handle side...Good luck

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Last edited by CAM2; 07-18-2019 at 02:47 PM.
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Re: How-To: Repairing Your Pullstart

You see the flywheel photo, and the water pump pulley in front driven off a pulley on the back side of it with a rubber 0 ring belt, make sure the belt is on and the pump is turning before you start it, and never start it without fluid in the engine. Take the carb and intake off and look in the back of the engine to see if water leak into the engine.

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post #26 of 31 (permalink) Old 4 Weeks Ago
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You have a 39cc China Blata clone, or C1 or MT-A4. Is it air or water cooled?? I have both but my C1 is the 50cc version.
The starter pulley has a spring that retracts the rope, if it breaks not going to work right. A new starter housing can be found for as little as $20. If the rope is bad, I use #6 chainsaw starter rope, you can rewind the pulley while still together if your slick.
its a aircooled version
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post #27 of 31 (permalink) Old 4 Weeks Ago
Re: How-To: Repairing Your Pullstart

I love the air cooled engine, I just built a brand new one last week from all new parts. My A/C engine is in a water cooled frame, it was a project bike I got from Boosted306, well known here but he retired from making modified parts and engines. Mine has the first type with two ring piston, now they use the same 37mm one ring piston same as the 39cc W/C engine. The 39cc A/C and 39cc & 50cc W/C all use the same crank and cases. No water pump for the A/C engine. The has a 37mm bore and 37mm stroke, which is what a call a square stroke engine, great revving engine. Can't find cyld and head for the A/C and same for the 50cc 39.5mm bore W/C.

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post #28 of 31 (permalink) Old 3 Weeks Ago
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Re: How-To: Repairing Your Pullstart

Hey man I se you know a lot about pocket mini bikes ! I just bought my son a used one but it actually doesn't have a pull start on it I guess it broke off the guy I bought it from said he would just hook a battery up to it and jump start it and ride with the battery in hand ? right now all I see is where the pull start is suppose to be a round opening with like some sort of copper or electrical something going around a circle ? I have photos but I can't upload them .my number is 610-533-2985 I would pay you thru PayPal if you can maybe call me and tel me who I need to do ? if you have time if not I understand totally .thanks for your Time my name is gino in case you decide to call. thanks

Last edited by ggeegino; 3 Weeks Ago at 01:17 PM.
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post #29 of 31 (permalink) Old 3 Weeks Ago
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Re: How-To: Repairing Your Pullstart

Can someone tell me what I would need to repair my pocket bike ? 2004 callager 49cc
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File Type: jpg IMG_7162.jpg (542.2 KB, 6 views)
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post #30 of 31 (permalink) Old 3 Weeks Ago
Re: How-To: Repairing Your Pullstart

You need a starter pawl and starter housing w/ pull rope. There are 2 major types, one with a round steel starter pawl and one with alum rectangle pawl w/ paddle. Not sure which one you need. CAM2 is the guy you need to talk too. here are some photos, these are pull start only engines, yours is electric start, and the pull start hooks to the end of the of it.
Attached Images
File Type: jpg Modified PP Gold Head 1.jpg (164.7 KB, 3 views)
File Type: jpg Modified PP Gold Head 2.jpg (510.9 KB, 3 views)
File Type: jpg 49cc HP Scooter Eng and Pro Jet.jpg (211.9 KB, 3 views)
File Type: jpg CAM2 43cc Scooter Engine2.jpg (369.7 KB, 3 views)

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post #31 of 31 (permalink) Old 3 Weeks Ago
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Thanks so much for that info I will buy the parts and let you know how I did !
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