head gasket leak - Victory Forums - Victory Motorcycle Forum
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post #1 of 15 (permalink) Old 08-15-2010, 03:37 PM Thread Starter
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Default head gasket leak

hey guys new here, i got a 99 v92c and im leakin oil from my front jug at the head gasket. the bike only has 700 miles on it and i was wondering if this is a common problem for this bike. and if it is just a matter of retorqueing the heads or if it needs a complete tear down. help would be much appreciated thanks
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post #2 of 15 (permalink) Old 08-15-2010, 03:49 PM
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Pretty rare for a head gasket leak on a Vic motor. If the leak is on the left side. Look at the drain hole for the spark plug tubes. There is a couple of o-rings that can fail, Look at the bolts on the cam chain adjusters, and then clean it all up, and see if it is weeping out of pourus casings, and not the gaskets. If it is weeping the fix is a couple of brass washers, and cap nuts.

Unless you personally know the history of the bike; the mileage is suspect. Bikes with yellow turn indicatos in the speedo are known for resetting to zero if the battery dies
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post #3 of 15 (permalink) Old 08-15-2010, 09:34 PM Thread Starter
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yeah it's definatly leaking on the left mostly and a little on the right. ill check it out in the morning. as for the milage i know it sounds low and it is, but it's my dads old bike and it's the 18th bike made by polaris, one of the originals. it's been sittin in his basement for over 7 years and i just got my bike licence a little while ago so he said i could use it till i buy my own. so yeah as odd as it sounds that really is the milage. well hey thanks for the help ill kepp ya posted when i find out more.
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post #4 of 15 (permalink) Old 08-16-2010, 06:03 AM
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If you lay on the ground on the left side, and look up towards the cyls. You will be able to see the drain holes for the spark plug tubes. Alsobedauce the bike leans to the left on the stand. The tensioner bolts can leak both directions.

Bikes like that are the reason I stipulated "Unless you know the bike personally" That is WAAAAAYYYYYY cool to have #18 for a first bike. I hope you enjoy it for many, many miles
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post #5 of 15 (permalink) Old 08-16-2010, 07:16 AM Thread Starter
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Sounds like that might be the problem as soon as the rain stops today ill drive in down to my shop and check it out. i have been an auto tech for many years now but bikes are kinda a new thing for me so well see how it goes, and thanks again for the help i really appreciate it.

yeah it's a pretty sweet bike, it's in mint shape like it just rolled off the line. im hoping i get some good years out of it, planning to keep it for a long time.

hey i got onw more question, the bike has a set of factory performance pipes on it and it seems to be running a little rich, do you know if anybody makes a chip or programmer for that bike?

thanks
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post #6 of 15 (permalink) Old 08-17-2010, 06:46 AM
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Unlike your cars; a Vic wants to run around 13.3:1 for an AF ratio. There are some good chips for that bike. Infact a search here for WV Chip Creator will put you in contact with the guy that makes about the best for a internally stock bike. He also used to have a TPS adjustment method on his site that worked fantastic for the home mechanic
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post #7 of 15 (permalink) Old 08-21-2010, 04:40 PM Thread Starter
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Well just an update on the progress, it was the head gasket that was leaking. When taking the head stud nuts off we noticed the two on the shifter side (where the leak was) were not even what i would consider snug. After removing the head and replacing the gasket we went to put everything together and found that when tightening the same two nuts there was something wrong, anyone who has done any wrenching knows the feeling of threads ripping out and well you probably know where this is going. after removing the jug and removing the two studs we were able to use picks and tweezers to remove what used to be the threads for the head studs. I'm not sure if polaris has run into this before and there is some kind of thread repair kit or a new stud with a larger end on it so you can drill out the block and thread it to a larger size. If anyone has run into this or knows of such a kit it would be greatly appreciated. Thanks
-Matt
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post #8 of 15 (permalink) Old 08-21-2010, 05:38 PM
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Man that pretty much sucks. Seen it before, but only on a motor that a tranny upgrade had been done in. Tried Heli-Coil but when tourqing again it just pulled the case araound the coil. Switched to a Time-Sert, and was able to fix it
http://www.timesert.com/
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post #9 of 15 (permalink) Old 08-22-2010, 08:40 AM Thread Starter
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Hey checked out that site looks like it will work. the funny thing is before my dad put the bike away he had all the tranny upgrades done. looks like that could have done it considering that their is only about 300miles on it since it was done. that being said should i take both jugs apart or just the one that is leaking? well hey my friend got some good pics so ill be posting them soon thanks for all the help.
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post #10 of 15 (permalink) Old 08-22-2010, 10:01 AM
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Man it is a hard call as to weather you shoud hit both cyls or not. I would prolly hit the second cyl with a torque wrench and see what happened.
Here is a tid-bit that wiil save you a bunch of cash though. The head/base gaskets are sold in a kit for each cylinder. The kits are about half the price of the individual gaskets.The only place the number can be found was in the 06 quick referance manual. Here is the PN's.
Front 2201645
rear 2201646

You will also need a beaded gasket set for the right side engine cover, but you can reuse the valve cover gaskets
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