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Old 22nd October 2009, 13:17   #1
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Default Engine Flush.. Royal Enfield

hi fellas,

am looking forward to flush my royal enfield bullet's engine.. the vehicle was standing for a long time, recently got it serviced and its in running condition now. The ODO shows app 30K. Its a 10 yr old bike. tried google and Tbhp but to no avail.

any recommendations:

1. to go in for flush or not?

2. any specific bike flush available or should i use those meant for cars?
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Old 22nd October 2009, 19:21   #2
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No need panky just run a cheap oil and flush it after 4 or 5 hundred KM's
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Old 22nd October 2009, 19:25   #3
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Quote:
Originally Posted by desideep View Post
No need panky just run a cheap oil and flush it after 4 or 5 hundred KM's
I
No need to flush it,just change the oil a bit early,and you are good to go
and in case you want to use flush,you can use the one meant for cars,engine flush is same for cars and bikes

Last edited by akshay4587 : 22nd October 2009 at 19:27.
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Old 22nd October 2009, 20:24   #4
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Use engine flush, the same we use for cars !! It should do the job !! Though you need to watch out other engine wear & tear as this is an 10 year old one.

Do post pictures if you can, would love to see the pictures of an 10 year old bike.
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Old 22nd October 2009, 21:45   #5
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Dont blame me if you start hearing engine knocking after the flush, Let the old carbon be there the bull likes it..
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Old 22nd October 2009, 22:13   #6
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Decide for flushing on the basis of old engine oil. If it is not very blackish then the procedure (filling fresh oil and draining after 400 Kms) will be OK. Donít forget to clean the strainer and replacing oil filter both times.
If the oil is very blackish then must go for engine flush/ diesel wash.
But what you are going to do with gearbox. The grease/ oil in gear box is very thick compare the engine oil and as the bike is stand still for a long time, it will stick on parts and bearings and need to be cleaned?
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Old 22nd October 2009, 23:00   #7
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Quote:
Originally Posted by bhogalrajnish View Post
Dont blame me if you start hearing engine knocking after the flush, Let the old carbon be there the bull likes it..
^^^

On the contrary, more carbon would lead to knocking. Carbon accumulation in the head increases compression. You might also end up having hot spots n your combustion chamber resulting in pre-ignition.

Cheers,

Jay
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Old 23rd October 2009, 11:13   #8
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How long was it standing? years?

Oil replaced during servicing? Oil was replaced before storing?

30k doesn't require a flush.

If it was standing for years together, flush.
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Old 28th October 2009, 17:36   #9
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Thanks guys, I'll be using cyclo motor flush. Would post the results soon.
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Old 28th October 2009, 17:38   #10
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Default flush!

could someone please elaborate, what is a flush?

also does it apply to 2strokes?

thanks
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Old 1st November 2009, 16:35   #11
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Ok guys.. here am I.. back with the update.

After seeing mixed responses regarding the usage of flush, I was quite confused..but decided to take a chance. Went out to catch a bottle of Cyclo motor flush, that claimed to clean the engine in 3 min flat. Costed Rs. 180/- as against the MRP of Rs. 200/-. Also changed the carb to OEM micarb (some lock has gone kaput!) and replaced the indicators.


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Prior to this, I'd changed the oil to Mobil Semi Synthetic and drove for close to 80 Km in last 1 year. The oil was close to its 80-85% original color when I tried to see it.

Warmed up the engine for a 2 min and emptied the can into the oil crank case. Let it idle for 4 min flat. Opened the drains, and WOW! the oil came out TOTAL black..so black that it appeared a glass. This meant that the flush has done its work! Let the oil drain out for an hour app before putting in new Petronas Syntium 15W-50 Semi Synthetic.

Started the bike and voila.. the engine was instant responsive to the throttle. Bullet is running like a "bullet". Increased the throttle and it went to 90 in 3rd gear with a "roaring" thump!

Was quite busy, so couldnt give the bike for washing etc. It was a Sunday.. so decided to utilize it. Got hold of a rubbing compound, some thinner and Waxpol polish.

Washed the bike..and polished it. Some pics of my 10 yr old darling:

Engine Flush.. Royal Enfield-dsc02097.jpg

Engine Flush.. Royal Enfield-dsc02100.jpg

Engine Flush.. Royal Enfield-dsc02101.jpg

Engine Flush.. Royal Enfield-dsc02102.jpg

Engine Flush.. Royal Enfield-dsc02105.jpg

Engine Flush.. Royal Enfield-dsc02106.jpg

Last edited by panky12345 : 1st November 2009 at 16:37.
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Old 2nd November 2009, 01:41   #12
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Nice update Panky, a Sunday well spent!
Didnt know Petronas was available in the 15W50 here, I'm using Motul 15W50 for the 954since a few weeks, and the bike has been running marginally cooler than before.

manson.
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Old 2nd November 2009, 09:34   #13
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Quote:
Originally Posted by manson View Post
Nice update Panky, a Sunday well spent!
Didnt know Petronas was available in the 15W50 here, I'm using Motul 15W50 for the 954since a few weeks, and the bike has been running marginally cooler than before.

manson.
Thanks manson.. do let me know if you need petronas. Can arrange to get it delivered.
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Old 15th November 2009, 02:05   #14
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Panky12345

Thanks for updates.
Have you ever think / done for gear box flush?
Gear oil is thicker than engine oil and in case of long leaving idle a vehicle there is a chance to deposit the thicker oil in bearings & shafts inside the gear box.
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Old 17th May 2011, 18:41   #15
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Default Re: Engine Flush.. Royal Enfield

Apologies for bumping an old thread.

Has anyone tried diesel to flush their engines. Old school bike mechanics apparently used diesel to clean out the carbon from the engine.

Drain oil - Fill in diesel - Idle the engine for 2 mins - Drain - Pour in a lit of oil - Idle the engine (to mix the oil with any remaining diesel - Drain - Fill fresh oil.

Anyone tried this?

Just realized - already discussed: http://www.team-bhp.com/forum/techni...ine-flush.html (Diesel as an Engine Flush!!??)

Last edited by TheSandman : 17th May 2011 at 19:10. Reason: Just realized - already discussed
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