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Discussion Starter #1
In a month's time I will start a business posting abroad that means my Thruxton 1200 R won't be touched (at all) for 18 months.

With good timing it will have had a full service just beforehand.
It will sit on front and rear paddock stands under a motorcycle dust cover in a dry garage.
The battery will be connected to an Optimate.
The fuel tank will be left full and the fuel with stabiliser in it that has already started to be drawn through.
I'm undecided on whether to squirt a small quantity of oil through the spark plug holes and gently turn the engine over by hand a few times before putting the plugs back in.

Thinking ahead to my return; will removing the fuel pump relay be the easiest way of allowing the engine to crank without firing for a good few seconds, and without throwing an ECU code?
 

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Sounds like you have thought this through quite well. The little touch of oil in the cylinders certainly is a good idea and only takes a few minutes to do. The only thing I might add is a cover, some plugs stuck in the exhaust ends and possibly some pest repellent around the bike if you have any concerns of critters taking up residence.
Good luck on your business and new adventure.
 

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Thanks, Back2-2. I'm swapping the UK for Sri Lanka and taking my family with me. Hopefully the business will be good and the adventure likewise to compensate for Thruxton withdrawal symptoms!

From some info I found today it looks like I can remove the ECU fuse and still have the starter spin the motor so will give this a try before I leave.
 

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No stabilizer will last 18 months no matter what they say. AV gas or non ethanol plus stabilizer may work but you still have the air pocket in the upper most of the tank, to be really really safe I'd pull the tank, pull the pump and coat the inside with oil leaving the tank open . Leave the plugs out so they don'r seize or oil the threads and finger tight them in, take the battery off the bike to trickle charge it. Check out if anyone has used Armorall on the rubber and if so on the tyres REMEMBERING to clean it off good before you put it back on the road. There is a marine product made to prevent corrosion on metal you could use on the spokes and front forks. Have a safe trip, sort of a long time to be away from a bike, go easy when you get back in the saddle.
 

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Discussion Starter #5
Thank you each for your assistance.
In the end I asked Triumph after sales and received a very clear and prompt response.

To my specific question about pulling the fuel pump relay or removing the ECU fuse, "There is no need to remove the ECU fuse, just crank the engine with the plugs out and that will be fine". Nice and simple then.

To the discussion here about full or empty tanks, "When storing a bike for a prolonged period of time, we would recommend that you fill the fuel tank to prevent the tank from corroding as they are not painted internally. Before you then start the engine on your return, we would recommend that you empty the tank and replace it with fresh fuel." Time will tell if the Ethanol will have any effect.

I'll therefore go ahead with stabiliser in the fuel (since I have a bottle of it anyway) and when I return home, use this fuel in my lawn mower and strimmer and fill the Thruxton with fresh juice before starting.

Cheers All.
 

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...I'll therefore go ahead with stabiliser in the fuel (since I have a bottle of it anyway) and when I return home, use this fuel in my lawn mower and strimmer and fill the Thruxton with fresh juice before starting....

I recommend that you don't use the old fuel in the lawn mower or string trimmer, unless you want problems with them. Instead, find a place where you can dispose of it properly.
 

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If you're more concerned about having it just kind of waste away while sitting you shouldn't store it you should have somebody ride it out and about every now and then. Even with fuel stabilizer in the tank after 18 months it will start to go bad around 9 months in unless you have 100% ethanol free gasoline, the tried and true method is to use fogging oil and spray down the inside of the tank (empty) and into the engine aswell typically only lasts about 12 months before it loses its hold though. If you're keen for it you can actually purchase a few gallons of some very high octane race fuel from Sunoco or VP (it will most likely be ethanol free) and dump that into the tank with a fuel stabilizer and you take a piece of a thick but pliable piece of rubber like cutting a hole out of a dodgeball and line it up perfectly ontop of your gas tank nozzle hole and press it in gently then seal the tank with it and use a hose clamp to block off the breather tube and run the bike for about 30 secs. This will create a bit of a light vacuum in your tank and prevent your gasoline from oxidizing substantially better than what it normally would. For an added measure you can also use some electrical tape around the gas filler cap to create an even tighter seal. This is how we stored my grandfathers 1974 Honda for 6 years and we came back to it and aside from the bike having a low battery as the cells died out it started right up and ran perfectly.
 

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I recommend that you don't use the old fuel in the lawn mower or string trimmer, unless you want problems with them. Instead, find a place where you can dispose of it properly.
Good, logical advice, though my Mountfield 150 four stroke lawn mower is running perfectly on 95 RON unleaded fuel purchased two years years ago that I decant from a 10 litre can. In fact I've just topped up the tank with the last of it. From new 13 years ago I have got a first-pull start every time except after winter lay-up, which is two pulls. Servicing has been fresh oil every year before winter storage, and a fresh air filter and spark plug every two years. The carburettor has never been touched. A nice, simple, low tech, low stress, emissions-gubbins free internal combustion engine.

Writing this made me think of my two stroke Stihl strimmer that is still running on the 95 RON unleaded fuel that I mixed 50:1 with two stroke oil four years ago when I purchased it. It's had no servicing at all and starts the same as it always has; five primes on the pump and then second pull.

Back to my two motorcycles; a friend with a huge garage has kindly offered to house them under their dust covers for me - and he and another friend who I equally trust will occasionally ride them. A perfect result. :)

Thanks for all the suggestions here - including as above!
 

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Stabilize the fuel, run it to make sure it gets into the injectors. Top off the tank. AND, if you can block the bike so the tires are off the ground, or put some carpet under each tire so they're less likely to develop flat spots. Put a breathable cover on it and go.



Just brought a Daytona up from a unprepared 13 year slumber, 18 months should be a cakewalk with preparation.
 
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