wheelhorse656 20 #1 Posted May 15, 2011 well i bought a k181 from my grandpa that blew but its very clean and in great shape other than the rod breaking. I am suposed to take it to the machine shop monday to have it bored 20 over and the cleanded up and balanced. My question is the PO sand blasted the name tag so i cant tell if it is a k161s or AS or so on i have the speck number and serial number they read Spec.# 30580d Ser.# 6089814 It came out of a Cub Cadet model 86. my other question where can i buy an undersized rod as a after market and what is the size i can go down to on the crank journal? Thanks, Jordan :) Share this post Link to post Share on other sites
dgjks6 6 #2 Posted May 15, 2011 Here goes from memory. The S is for electric start. The A is for special oil pan. As far as the shop, on the first visit I would just have them measure everything to find out what they need to bore it to, and thye can check the valves and the crank journal and they will tell you what aize of everything to get. You can buy complete rebuild kits with standard rods and pistons all the way to 30 over on the bore, but they can only go 10 under on the crank. There are guys here who sell the rebuild kits. Good luck! :hide: Share this post Link to post Share on other sites
TT-(Moderator) 1,127 #3 Posted May 15, 2011 Just for the record......... I have yet to see a non-generator application Kohler K series single-cylinder engine less than 10hp with anything but the "normal" oil sump. The model should be a K181S - which means its a K series / 18 cubic inch / 1 cylinder / electric start. The serial number makes it a 1974. X2 on the "wait to order parts until accurate measurements are taken and/or the machine work is done". :hide: Share this post Link to post Share on other sites
wheelhorse656 20 #4 Posted May 15, 2011 Just for the record......... I have yet to see a non-generator application Kohler K series single-cylinder engine less than 10hp with anything but the "normal" oil sump. The model should be a K181S - which means its a K series / 18 cubic inch / 1 cylinder / electric start. The serial number makes it a 1974. X2 on the "wait to order parts until accurate measurements are taken and/or the machine work is done". well i know they will have to over bore the cylinder because it has some scratches on the cylinder walls. and the crank has a spot where aluminum from the rod had melted or somthinged it's self to it. before it was blown a valve job was done both valves new and lifters and there in clearance. I should be able to rebuild it and put a coat of bright red paint and slap it on a horse also what is the STD. bore size? and also the STD. crank journal size? Thanks, Jordan Share this post Link to post Share on other sites
TT-(Moderator) 1,127 #5 Posted May 15, 2011 LINK to Kohler service manual. Don't be surprised if the rod journal isn't as bad as it looks. Share this post Link to post Share on other sites
wheelhorse656 20 #6 Posted May 15, 2011 LINK to Kohler service manual. Don't be surprised if the rod journal isn't as bad as it looks. thanks for the link and help TT :WRS: Share this post Link to post Share on other sites
wheelhorse656 20 #7 Posted May 16, 2011 Does anyone know if terry makes the decals for 8hp kphler i cant find them on his sight. Thanks,Jordan Share this post Link to post Share on other sites
TT-(Moderator) 1,127 #8 Posted May 16, 2011 This one? http://www.redoyourhorse.com/servlet/the-1...N-CHROME/Detail Share this post Link to post Share on other sites
wheelhorse656 20 #9 Posted May 16, 2011 that one and the serial number spec number and engine model decals Thanks again TT. Share this post Link to post Share on other sites
wheelhorse656 20 #10 Posted May 16, 2011 i am having a problem finding an rebuild kit for this engine that has 20 over piston and rings and a 10 under rod that doesent make a 15 year olds wallet feel about 2 pounds lighter. the cheapest i have found is 171.89 which is napa autoparts. anyone know of a cheaper kit that i can get and have these sizes? Thanks,Jordan :hide: Share this post Link to post Share on other sites
KB9LOR 4 #11 Posted May 16, 2011 i am having a problem finding an rebuild kit for this engine that has 20 over piston and rings and a 10 under rod that doesent make a 15 year olds wallet feel about 2 pounds lighter. the cheapest i have found is 171.89 which is napa autoparts. anyone know of a cheaper kit that i can get and have these sizes? Thanks,Jordan Jordan, I answered your PM, I can hook you up. Share this post Link to post Share on other sites
wheelhorse656 20 #12 Posted May 17, 2011 i am having a problem finding an rebuild kit for this engine that has 20 over piston and rings and a 10 under rod that doesent make a 15 year olds wallet feel about 2 pounds lighter. the cheapest i have found is 171.89 which is napa autoparts. anyone know of a cheaper kit that i can get and have these sizes? Thanks,Jordan Jordan, I answered your PM, I can hook you up. Thanks for your help Brian!!! :hide: Share this post Link to post Share on other sites
can whlvr 991 #13 Posted May 17, 2011 i agree with tt about the journal,i just did a k241 and the lournal had alluminun all over it,i used 300 grit emery cloth and just worked it off,the journal was perfect and i didnt have to pay to have it turned,which it didnt need Share this post Link to post Share on other sites
