Oil pan gasket

Discussion in 'Yamaha 250cc In-Line 4's' started by yyzmxs, Dec 10, 2010.

  1. yyzmxs

    yyzmxs New Member

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    I will have to remove the oil pan on my bike at some point. I have a rule to never remove a part from a bike which requires a gasket without having a new gasket in your hands first. So far, I have failed to locate a new one, it seems to be NLA and there doesn't seem to be an aftermarket replacement or it.

    Besides making my own gasket or using something like a Yamabond any other ideas?


    Thanks
     
  2. dontz125

    dontz125 Active Member

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    Talk to Redline Powersports - http://www.redline-ci.com/. They've helped me with several items that Yamaha Canada insists don't exist, never did. <!-- s:-? --><img src="{SMILIES_PATH}/icon_Eyecrazy.gif" alt=":-?" title="Eye Crazy" /><!-- s:-? -->

    What year is your bike? Do you have the part number?

    3LN1 - 3HX-13414-00
    3LN3/5 - 3LN-13414-00
    3LN6/7 - 3YX-13414-00
     
  3. yyzmxs

    yyzmxs New Member

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    The fact that the part 3HX-13414-00 is NLA comes from Redline ....

    Bike is 1991 3LN1.


    Thanks
     
  4. dontz125

    dontz125 Active Member

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    Hmmm... I am given to understand that the 2KR / 3LN1 oil pan can be swapped for the newer style; this would imply that the gaskets are also interchangeable. If the 3HX part has been superceded by the 3LN and/or 3YX parts... Is the 3YX part available?

    Also, unless I'm RTF out of 'er, 3LN1 is '89; '91 is 3LN3 or 3LN5.
     
  5. yyzmxs

    yyzmxs New Member

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    Hmmm ... according to the pars catalog, my VIN number dictates that it is 3LN1, so unless the guy I bought it from misrepresented it as 1991 bike, I have no clue.

    If the oil pan is exchangeable with 3LN3 I could try ask Redline about that part, but I doubt it, since the oil filter arrangement would be different. The screw pattern and outer shape might be identical, but that would not matter.

    I just as well might make one, might be easier at the end of the day.


    Thanks
     
  6. dontz125

    dontz125 Active Member

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    Something like an oil pan gasket really is easy; people have been making them from Cheerios boxes for many years.

    That said, I really do believe the oil pans are interchangeable - whether the spin-on filter will foul the kickstand is another story. There've been 1 or 2 people on here who've tried it.
     
  7. yyzmxs

    yyzmxs New Member

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    OK, I'll give the 3LN3 part number a shot through Redline and we will see. Worse comes to worse, I'll pick up some gasket material and make one up.

    Thanks
     
  8. Trev084

    Trev084 Active Member

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    Skip the gasket and use a decent high temp silicone.
     
  9. dave

    dave Well-Known Member

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    Just be wary of making gaskets from silicone. Had a friend build an engine and had a blob of excess silicone block an oilway.
    Everything in moderation.
     
  10. yyzmxs

    yyzmxs New Member

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    Yeah, I am not a big fan of replacing gaskets with silicone bead. It would be the very last resort if everything else fails ...

    BTW, I just opened up all carbs and someone had the great idea to seal the float bowls with some sticky crap .... <!-- s:-? --><img src="{SMILIES_PATH}/icon_Eyecrazy.gif" alt=":-?" title="Eye Crazy" /><!-- s:-? --> I was not impressed.
     
  11. Trev084

    Trev084 Active Member

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    Ha, overboard.

    You do know that most cars sumps are fitted with silicone, a gasket is not always the best as it can push out.
     
  12. yyzmxs

    yyzmxs New Member

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    Yeah, if it is a robot putting the bead down, not me, I have no issue with it. You can only use it where a tolerance doesn't play much of a role, because you cannot control the accuracy of how much of silicone you are going to put down. You do realize that manufacturers have had a silicone available to them for decades, yet they still turn to good old school gaskets .....

    Anyways, if I have to, I will use it, but as a last resort. That's all.
     

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