RD350 - Oil Pump or Pre-mix?
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- čas přidán 19. 04. 2018
- Out of respect for Yamaha's ingenuity, i decided to service the oil pump on my 1973 RD350 and use it instead of pre-mixing oil with fuel. This video explains how the pump works, how to remove the pump and the reason for not using pre-mix.
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Correct decision . Pre-Mix is fine for Racing , but constant intermittent throttle work , like a ROAD bike will lead to oil starvation .
Great explanation, and very good video production, Sir. Thumbs up!
Good work!
1:30 that is an interesting graph.
Good video.
I agree with you 100%
Nice RD !
Best video
Hey just a quick question, I’m working on an older enduro very similar to this one. my question is that if I decide to run premix, do I also have to remove the plastic tachometer gear even though I have already removed the oil pump driver gear. Thank you for your time .
Good video!! the only one here that says if I operate the worm gear the plunger should move, at least I know what to look for now, thanks'.
Very nice video
Thanks Shreyas 😃
I have 1973 rd350 I am currently trying to get going, I want to run premix but dont want to ruin the oil pump so can I just remove the oil pump and save it for later and run the bike that way or will I have leaks from the crankcase
I need to somehow buy this time machine
Very Good tutorial Bro!!!! Explained well
Cheers!!
30:1 ratio means how much ml of 2t oil for 1L of petrol & Pls suggest a good 2t oil
Thanks! For 1 liter fuel add 30 ml oil. I use Motul 2t oil.
30:1
means
3,000 ml of gasoline is to 100 ml of 2t oil,
so for 1 liter gasoline you need 33.33 ml of 2t oil
the higher the value of the 1st number the higher the amount of gasoline,
so if you go for a higher value _ :1 youll be mixing less oil per liter,
and pop up less smoke
the lower value of _ :1
youll be mixing more oil per liter...
and pop up a lot of smoke
@@seventiesmetal8673 thank you
@@endurofan9854 thanks for your clear brief
Hey buddy, I just bought a Yamaha dirt bike that has the oil injection tubing line cut....... do you know what size tubing I need to get to replace it? It's a very small tube but I'm not sure what size it is so I can order online.
Hi Tony 😃 I bought new oil tubing that has 3 mm inner diameter. Please try to measure your cut tube or look for information about your bike online. I don’t know if your dirt bike and my RD350 has the same oil line.
Does It Comes On YAMAHA RX100 RX135 & RX-Z
Where's the sequel video of pump servicing?
How shall one contact you? Since I am not on Facebook.
Bro so what is good oil pump or pre mix for rx 100
I would go with oil pump but make sure it’s serviced and working properly!
Another doubt clarified
Hi my friend I have rd350 I have I am seeing 2t oil leak can u help me
Sir how to verify if the oil pump is working! Without disconnecting the oil pump
Hi! You can run the engine and measure how much oil is being pumped from the pump feed lines. I think you should get 5cc of oil from 200 strokes of pump. Read this link for more info
www.aircooledrdclub.com/smf/index.php?topic=45539.0
Wt happens if we fill 2T oil at side tank as well as to the petrol tank ?
I hv a rx135. Pls guide me
Hi Keerthi 😃 Please don’t fill oil in both tanks. You will foul your spark plug and produce lot of smoke. Decide if you want to run premix or use side oil tank. If you decide side oil tank, service the oil pump and ensure it’s working. If you decide premix, 30:1 is a good premix ratio.
Is tht affects the engine ?
Yes it will. The combustion won’t be proper, mileage will drop, ...
Okay. Thank you ☺
What will b the best ratio of premix in my L.T RD350 ?
The forums I have read say 30:1 is a good ratio
@@seventiesmetal8673 what does the 30 amount to, Brother? 60ml?
For every 30 ml of fuel, you should have 1 ml of oil in tank. So for 1 liter (1000 ml) fuel, add 30 ml of oil!
How can we know if pump fails??
That’s the down side of using a pump rather than pre-mix. Hard to know when the pump fails. One way would be to check the pump every know and then. Remove the lube tube from the carbs and see if oil is dripping from them when bike is idling. This means pump is working. Never rev the engine when lube tube is off.
Can you provide/make tutorials about Yamaha RX100
Sorry Armaan, don’t own a RX100. But the RX and RD have some things in common like AutoLube, Reed valve, ...
There is wetness near the cover side I see oil on floor
new seals