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I have a yerf dog 3203 with a 40 series comet torque converter. I am on my 3rd torque converter and for some reason they only last so long. It dosent engaged when I accelerate as in the kart dosent move at all. Do you have to keep those torque converts lubricated an if so do I use regular WD 40...

I have a yerf dog 3203 an I am looking for a engine for it...I prefer a briggs and Stratton. I previously had a subaru robin engine an I had nothing but problems with it. Can someone give me the best option on a briggs and Stratton. I also prefer that its around 9hp or 250cc since I have a 40...

For some reason my driver torque converter isnt engaging. The motor just revs but no movement. It only does it when it runs for a while. What do you guys think the problem could be?

Hi guys, I think I might be having issues with my torque conver pulley. Its a comet 40 series an im having issues going up hill like its not in gear...the pulley is 2 years old an hardly ever uesd please help.

Hi guys I have a subaru robin ex27 engine an I think the engine is lock. I can turn the drive shaft but a some point it gets harder to turn. Also when I pull the rope, the fly wheel dosent even turn an im putting stress on the rope.

I corrected the bearing issue on my yerf dog 3203 an cant remember what size drive belt do I need for the 40 series torque converter an driven pulley.

http://m.ebay.com/itm/391119841762?_mwBanner=1 Do you guys think this will fit an bolt on the back frame on my yerf dog 3203 for my jack shaft? Click on the top link for pictures

What size bolt do I need to screw on my ex27 subaru crankshaft to hold the torque converter?

Hey guys, I have a yerf dog 3203 and I put the ex27 subaru motor on. Every thing works fine except the jack shaft housing bearing always wears down becouse of the torque. Came someone help me find a heavy duty bearing its a 1" id size.

Will the black springs hydraulic shock fit on my yerf dog 3203 and will it be a big diffidence in the ride quality driving on a rough grassy fields. http://www.gokartgalaxy.com/shock_absorbers.htm

Will my ex27 yerf dog 3203 run with a stock yamaha raptor 250? my 9hp ex27 robin kart is fast.

Where can I find heavy duty shocks for the yerf dog 3203?

Need help with my drive belt. I finally got the ex27 motor on there and running, but the drive belt gets sucked into the 40 series driven pulley. I had to pull the belt back out. Its a 40 series drive belt but don't understand the issue.

Where is the oil full mark on the ex27 subaru engine? Is it the button square or the top square? I put 1 quart of oil in it. just want to be sure.

Is it hard to slide a 3/4 shaft through my 40 series driven pulley? I had to use a hammer to get the pulley off. Its for my yerf dog 3203.

Where can I find a 3/8 jack shaft that will fit the yerf dog 3203 stock jack shaft housing? Trying to get the 40 series driven pulley on. look at my photos. http://www.diygokarts.com/vb/attachment.php?attachmentid=26441&stc=1&d=1348348731...

Well guys I got the ex27 motor bolted on. I used the same jack shaft but had to drill 2 holes on the right side of the frame.

Does the ex27 robin engine come with the electric start when bought new?

What are the steps to bolt on my ex27 to my yerf dog 3203?

I finally bought the ex27 engine. Anybody now the top speed of it on my yerf dog 3203 with every thing stock including the 40 series TC? I'm guessing 45-50mph?