gclark63 Posted August 22, 2008 Report Share Posted August 22, 2008 I have been looking at getting new pistons and I keep seeing for a lond rod or a short rod? How do I tell which one I have. I know this is sounds stupid to most of you but I don't know what to order. Quote Link to comment Share on other sites More sharing options...
Bansh-eman Posted August 22, 2008 Report Share Posted August 22, 2008 do a search and you will find more then enough info to decide. The differance in the two will not make a differance in power, its a logativity of your motor thing. Quote Link to comment Share on other sites More sharing options...
gclark63 Posted August 22, 2008 Author Report Share Posted August 22, 2008 I have the following markings on my crank ( H.R. 204 ) and these markings on my rods, they are Hot Rods (C.K. 121 ). Anyone have any idea what they are exactly. By the way Thanks Bansh-eman for all the help. Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted August 23, 2008 Report Share Posted August 23, 2008 What is the number stamped on the top of the pistons? Quote Link to comment Share on other sites More sharing options...
gclark63 Posted August 23, 2008 Author Report Share Posted August 23, 2008 the number on top of the piston is 513m06650 Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted August 23, 2008 Report Share Posted August 23, 2008 the number on top of the piston is 513m06650 It is a stock rod length motor. 513 Series is for stock rods If it was a long rod it would say 795m6650 Looks like your banshee is on its last bore too. Better be finding some replacement jugs. josh Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted August 23, 2008 Report Share Posted August 23, 2008 513 is stock rod 795 is long rod 842 is Racers choice HP. It doesnt say weather it is for a long or regular rod. I would assume that they are for stock rods. I would try those pistons out. They probably have a little larger piston windows in them. http://www.wiseco.com/Catalogs/Powersports/YamahaATV.pdf josh Quote Link to comment Share on other sites More sharing options...
gclark63 Posted August 23, 2008 Author Report Share Posted August 23, 2008 Thanks Josh Will be looking into maybe the cubs next. Gary Quote Link to comment Share on other sites More sharing options...
magz Posted August 23, 2008 Report Share Posted August 23, 2008 whats C.R. 158 mean? Quote Link to comment Share on other sites More sharing options...
gclark63 Posted August 23, 2008 Author Report Share Posted August 23, 2008 Magz, I have not found out what the casting numbers indicate, but im going to keep searching. I'll let you know what i found out. I sent an inquiry in to Hot Rods maybe one of the techs can enlighten us. If you find out anything please let me know. Thanks Gary Quote Link to comment Share on other sites More sharing options...
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