Posted by PymerOne on June 23, 2010, 12:42 pm
Dear All,
the DT65MX starts puking oil after running for a few mins, stops leaking
when engine is shut off.
Seems to me like a genuine pressurised gearbox, a feature a 2stroke should
not have afaikt.
Soooo....either faulty righthand seal, cracked cranckshafthousing or torn
midgasket (ify you happen to know better/more, please do tell).
The first being most likely, me attacks it from that side.
And that is where i need your help...
As mr Y. Amaha designed it, righthand seal is hidden under the sprocket that
drives the clutchbasket.
Do i have to remove clutchbaske first to give way for the little sprocket on
the cranckshaft?
Grtz, PymerOne
Posted by sturd on June 23, 2010, 12:54 pm
PymerOne asks:
> Do i have to remove clutchbaske first to give way for the little sprocket on
> the cranckshaft?
If you know the year, online fiche might give an indication just
by looking.
http://www.bikebandit.com/yamaha-motorcycle-parts/oem-parts
But if it's the same as the other small yamaha 2-strokes, MX80,
GT80, YZ60, yes you do.
Go fast. Take chances.
Mike S.
Posted by PymerOne on June 23, 2010, 4:43 pm
> PymerOne asks:
>> Do i have to remove clutchbaske first to give way for the little sprocket
>> on
>> the cranckshaft?
> If you know the year, online fiche might give an indication just
> by looking.
> http://www.bikebandit.com/yamaha-motorcycle-parts/oem-parts
Thnxx Mike, i will look into that.
> But if it's the same as the other small yamaha 2-strokes, MX80,
> GT80, YZ60, yes you do.
Ok great...so its not as eazy as i hoped, but still doable.
Grtz, PymerOne.
> Go fast. Take chances.
> Mike S.
Posted by Wudsracer on June 23, 2010, 3:24 pm
Yes.
Every bike that i've been into is made that way.
Hi P1!
Jim
------------------------------------------------------------------------
>Dear All,
>the DT65MX starts puking oil after running for a few mins, stops leaking
>when engine is shut off.
>Seems to me like a genuine pressurised gearbox, a feature a 2stroke should
>not have afaikt.
>Soooo....either faulty righthand seal, cracked cranckshafthousing or torn
>midgasket (ify you happen to know better/more, please do tell).
>The first being most likely, me attacks it from that side.
>And that is where i need your help...
>As mr Y. Amaha designed it, righthand seal is hidden under the sprocket that
>drives the clutchbasket.
>Do i have to remove clutchbaske first to give way for the little sprocket on
>the cranckshaft?
>Grtz, PymerOne
Posted by PymerOne on June 23, 2010, 4:41 pm
> Yes.
> Every bike that i've been into is made that way.
Oh, ok.....so it goes from plug&play to wrench&pay...what else is new.
Maybe i can replace the cranckshaftbearings too while i am at it...then i
get to see the full cranckshafthousing, and definitly have the need to
replace midgasket.
Classic win-win-win situation?
> Hi P1!
Hiya Jim, thanx for your help, saves me from a lot of tries and retries.
Grtz, PymerOne
> Jim
> ------------------------------------------------------------------------
>>wrote:
>>Dear All,
>>
>>the DT65MX starts puking oil after running for a few mins, stops leaking
>>when engine is shut off.
>>Seems to me like a genuine pressurised gearbox, a feature a 2stroke should
>>not have afaikt.
>>Soooo....either faulty righthand seal, cracked cranckshafthousing or torn
>>midgasket (ify you happen to know better/more, please do tell).
>>The first being most likely, me attacks it from that side.
>>And that is where i need your help...
>>As mr Y. Amaha designed it, righthand seal is hidden under the sprocket
>>that
>>drives the clutchbasket.
>>Do i have to remove clutchbaske first to give way for the little sprocket
>>on
>>the cranckshaft?
>>
>>Grtz, PymerOne
>>
>
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> the cranckshaft?