Oil fills up cyl

JJJ · Post by **JJJ** » Mon Apr 20, 2009 8:23 am

I have a NQ50 that when I kick start it the cly will fill up with oil and then will lock it up so you cant turn it over till you pull the plug and get the oil out!!!!!
whats wrong?????????? Thanks alot JJJ

Wheelman-111 · Post by **Wheelman-111** » Mon Apr 20, 2009 9:45 am

Greetings:

It sounds like the crankcase is filled with oil. The oil makes its way up into the combustion chamber where it is trapped by the piston. Oil cannot compress.

Easiest way is to pull the engine out, tip it over and allow the oil to drain out completely. Then examine the source, likely a leaky bad oil pump. Repair or replace the pump to avoid a recurrence every time the scooter sits for a long period. Honda-san says pump is non-rebuildable, but some brave Forumistes have taken theirs apart. Not sure any got it back together.

Another option is to plug the oil pump hole and manifold inlet and burn pre-mix.

You can do all this with the engine in the frame if you remove the manifold and reeds, but risk scratching up some Valuable Plastic Accoutrements, and squatting by a low bike sucks.

The good news is that your main bearings are probably remarkably well-preserved...

Kenny_McCormic · Post by **Kenny_McCormic** » Mon Apr 20, 2009 4:08 pm

There is currently development on replacing the pump seal.

kho20 · Post by **kho20** » Mon Apr 20, 2009 10:46 pm

mine did this watch ur level of oil to make sure its not goin down or it defeats the purpose of doing this,

with the plug in kick it over til it wont let u any more take the plug out and kick it til no oil comes out ( oil will spray everywhere so do this some where u dont mind it getting everywhere)

repeat the process until u can kick it as many time as u want and it dosent seize from pressure. clean your spark plug and spray off with starting fluid when ur done it dries up any oil reaidue left

if this keeps happening and ur oil level drops sigificantly there is another problem

when this happened to mine it had sat for several years in which the oil seaped into the cylinder/crankcase causing the pressure buildup hope this helps

Wheelman-111 · Post by **Wheelman-111** » Mon Apr 20, 2009 11:43 pm

Greetings:

Kho20 gives wise advice.

Anyone else think the cloud from starting after clearing the excess will be visible from the space station?

Take video please!

Kenny_McCormic · Post by **Kenny_McCormic** » Tue Apr 21, 2009 12:23 am

Wheelman-111 wrote:Greetings:

Kho20 gives wise advice.

Anyone else think the cloud from starting after clearing the excess will be visible from the space station?

Take video please!

The cloud of 2 smoke I'm making on Wednesday will be!

kho20 · Post by **kho20** » Tue Apr 21, 2009 3:16 am

oh yeah forgot to say unhook the vacum line off the carb so u dont spray in a crap load of fuel lol and i drilled a 1/4 inch hole on the bottom of my exhaust body bout 2 inches from the neck, if ur cylinder is filling up with oil somes gonna run down into the exhaust, this hole allows it to drain with out big loss in back pressure, oh and dont forget to put a bucket under it there be a puddle on ur floor if u dont.... when theres not so much oil comin out screw in a bolt to seal it up

oh and wheelman the cloud probally could be seen from space... i couldnt see my hand in front of my face it was that thick lol

Wheelman-111 · Post by **Wheelman-111** » Tue Apr 21, 2009 10:33 am

Greetings:

After assembling The Mighty Polini - liberally brushing everything with a thick coating of GN2 - the Moment of Truth had arrived.

It arrived on the second-floor balcony of my apartment here in Deepinnaharta, Texas. Battery charged, spark plug lead- yes, connected -switch on, kill off, hold brake, kiss the starter and...

Flash goes: FOOMM!

Kaff-kaff-kaff --Hoch Ptui!

Downstairs on their patio, neighbors who had been enjoying their T-bones and Budweisers and Marlboros walked over to ask "Y'all grillin'?" Double-

"Y'all like smokin'? Here ya go!

It wasn't the first time Wheelman broke up a nice party. Won't be the last.

toboggan · Post by **toboggan** » Tue Apr 21, 2009 9:59 pm

Well, my NQ50 is being weird, its not filling, but my oil light is on. and i have oil, but i don't think i have 2 stroke injector oil in, im gonna drain my oili have now, and put 2 stroke in, andif that doesnt work, im going to run premix.

What ratio should i use for premix? and how would i go about making my scoot run premix.

Thanks

~toboggan

Kenny_McCormic · Post by **Kenny_McCormic** » Tue Apr 21, 2009 10:43 pm

The oil light means the tank is low on oil or the sender is * up. 2 stroke injector oil ONLY, most people like Honda GN2.

kho20 · Post by **kho20** » Tue Apr 21, 2009 11:31 pm

well kennys right on with the sensor showing level low or malfunctioning, has it been on for a while or did it hapen and you instantly killed it when it happened cus it could go jus got some trash or something in it and caused an intermittent problem jus a suggestion maybe some one can clear this up if this is possible

Post by **noiseguy** » Wed Apr 22, 2009 9:13 am

Kenny_McCormic wrote:There is currently development on replacing the pump seal.

Who's working on this right now?

I actually have a Spree pump amoung my parts that someone replaced the seal on. You can see where they used a hammer and punch to retain the new seal.

mousewheels · Post by **mousewheels** » Wed Apr 22, 2009 3:38 pm

Who's working on this right now?

I have seal dimensions - 9.5mm x 16mm x 4mm. There's an inch dimension seal very close too. Been thinking about ideas for retention, staking the case rim was one. Your pump shows someone's beat me to that idea.

See photos here
http://www.hondaspree.net/phpBB2/viewto ... 2&start=15

Kenny_McCormic · Post by **Kenny_McCormic** » Wed Apr 22, 2009 6:21 pm

Metric seals are available(or at least order able) at any bearing shop worth the gas to get there, why bother with "close"?

toboggan · Post by **toboggan** » Wed Apr 22, 2009 6:52 pm

Well, i got 2- stroke oil today. Uhm. not too sure if its injector oil though, it says its for mowers, jetskis, and all that 2 stroke stuff, so i assume so.

this is what i got.

http://www.valvoline.com/pages/products ... product=75

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