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Help with bike lying up

Started by Suzuki boi, Wednesday, 13 June 2018, 06:12 PM

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Suzuki boi

Thanks @seth
I had just read about other people only being at 1.6k revs and thought ah f**k ,is there now something else to be fixed!
Have done about 7k kilometers since September and changing the oil and filter this weekend . Bit long overdue but haven't been able to do it before due to life getting in the way  :lol:.

Andre

Manual page 4-65:
QuoteFast idle rpm
(Standard) : 1 500 – 1 700 rpm/Cold engine
(Maximum) : 2 000 rpm/Cold engine
Idle rpm: 1 100 ± 100 rpm/Warmed engine

Suzuki boi

Quote from: Andre on Saturday, 07 December  2019, 05:54 AM
Manual page 4-65:
QuoteFast idle rpm
(Standard) : 1 500 – 1 700 rpm/Cold engine
(Maximum) : 2 000 rpm/Cold engine
Idle rpm: 1 100 ± 100 rpm/Warmed engine
Thanks @Andre
I had a look at the manual online and Haynes manual I have here. I couldn't find figures!! I must be getting bind.
Should I be concerned about mine being  a bit over the 2k rpm?

Andre


gsxbarmy

I agree. Mine always used to start at quite high revs (around the 1800 mark) and then come down to around the 1100 mark. That it came down to the 110 mark - which is where it should be - was always (to my mind) how it should be, let it do its own thing for how it gets there, yours you say gets to 1100 eventually - well that's good enough for me, I wouldn't worry about higher revs at cold, shows the cold chokes are doing their thing ok.
Nothing to do.............all day to do it....I love retirement :lol:

Sweaty

Mine is the same. Always Starts high in the morning (even in a warm garage) and settles to 1100.
So don't worry Sb, it's all good  :onya:

Hooli

Mine's the same, hits over 2k for a few secs if it's near freezing point.

Then drops onto 2 or 3 pots for 3/400yrds as I ride off... I really should solve that one day.

grog

Mine also a bit higher in Winter not so much Summer. Strangely, when last battery failed, started bike, big back fire and no fast idle. Confused ECU my only thought.

Hooli

Quote from: grog on Saturday, 07 December  2019, 07:07 PM
Mine also a bit higher in Winter not so much Summer. Strangely, when last battery failed, started bike, big back fire and no fast idle. Confused ECU my only thought.

Confused ECU makes sense, as it uses voltages from the TPS & SPS to monitor the fast idle position. Low voltages in the system will give the ECU false readings from them causing it to set the fast idle wrong, as that's how it knows where the secondary throttle motor is positioned (it turns one way for fast idle, t'other for opening the secondary throttles).

mlivkovich

Mine doesn't work from the day I bought the bike. When I turn ignition on STV starts moving to closed position and then sudenly turns back to open position. Actuator is ok, no need for glueing and no wires damaged.

Hooli

Quote from: mlivkovich on Sunday, 08 December  2019, 05:17 AM
Mine doesn't work from the day I bought the bike. When I turn ignition on STV starts moving to closed position and then sudenly turns back to open position. Actuator is ok, no need for glueing and no wires damaged.

It should move like that, it travels it's full movement & back as part of the power-on checks.

I'd suggest checking the TPS & SPS settings, as described somewhere in the technical tips bit of this forum. If they are too far out of adjustment then the fast idle can either be very high or not work. I wouldn't turn the mechanical adjuster screw, as if the sensors are that far out then the secondary throttles won't be working correctly either (even if you've not noticed when riding).

Andre

The procedure outlined in the manual on page 4-65 works well for fast idle check and adjust.

mlivkovich

I tried adjustig it as described in manual and still no fast idle after that. Tps is set at 1.1kohm, can't remember other values for sensors but it was within specs. :whatever:

Blubber

Quote from: mlivkovich on Sunday, 08 December  2019, 06:18 AM
I tried adjustig it as described in manual and still no fast idle after that. Tps is set at 1.1kohm, can't remember other values for sensors but it was within specs. :whatever:

I have had similar problems.. TPS and stps set to perfection, could see the STPS motor move  and the secondary butterfly valves move... Just The fast idle bit would not work.

In my case: the small "follower wheel" was dislocated from the fast idle cam.

Took me some time to find that one.
Wreck-it Richard - one of the unDutchables

Suzuki boi

Sweet lads I won't worry about the cold start idling
Here's one that will give you a good laugh
Gave the bike an oil and filter change today.
And noticed when I started it up smoke blowing out by the rear wheel, thought there shouldn't be any smoke there.
Ran my hand by the muffler and felt air coming out , thought ah must be just a small hole.
Nope it's a huge hole, looks like it blew open from the inside.
I was wondering for the week why I was hearing popping during the week.



Sorry pics are rubbish it was late and I wasn't going to pull it apart as I need to use it Tomo.
Any suggestions on replacements?
Can't see it being repairable

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