Newbie Looking at 2007 FJR w/ throttle issue - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #1 of 27 (permalink) Old 05-15-2016, 03:27 PM Thread Starter
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Newbie Looking at 2007 FJR w/ throttle issue

Greetings All,

Moving from a Kawasaki ZG 1000 to a FJR. I test rode a 2007 this morning and the bike is in great shape, low miles, very clean, but with what seems a fairly common issue. Initial acceleration from idle (900rpm) while in neutral led to hesitation in the engine response and occasionally to the engine dying. Seemed to improve a little on warm-up.

The bike is located at an altitude of 4500 ft. It has aftermarket exhaust (Staintune) and an older generation Power Commander. The current owner doesn't know whether the ECU was recalled and replaced.

How big a concern is this? How much is a fix (and what is it, exactly?)? I've been trolling the forum and don't (yet) see a clear answer. Any advice is appreciated!

Raymond
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post #2 of 27 (permalink) Old 05-15-2016, 03:43 PM
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There is no clear answer it could be a number of things but for a start the idle speed is too low needs to be about 1100 believe it or not that could be the problem.

If not next disconnect the power comander - does the owner say how long its been doing it for - why is he selling it?

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post #3 of 27 (permalink) Old 05-15-2016, 03:51 PM Thread Starter
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Polar,

Thanks. The owner has had it for 3 years. He is a little vague on the details of the throttle issue. He says he is selling because he needs $$ to purchase an airplane. He is a pilot. He also builds cafe racers using Honda 750 engines. He may be playing ignorant.

I thought the idle is low as well. I am going to be riding it again tomorrow or Tuesday. I will look at how to adjust the idle and bring it to 1100.

Since I don't own it I can't disconnect the power commander.

I was really curious whether this is a recurrent and difficult to fix issue. Otherwise, the bike seems to run great.

Thanks,

Raymond
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post #4 of 27 (permalink) Old 05-15-2016, 04:25 PM
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Hi Raymond, its not a regular problem but the 2007 gen 2s tend to be set up very lean but if it has a power commander fitted this should not be the case if it has the correct map in it for the pipes.

The fact its dying is the worrying part to me but it could be anything old fuel, plug going down or the throttle bodies could be way out. Is the battery okay? The ignition switches are know to play up and also the earth connections - called spiders.

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post #5 of 27 (permalink) Old 05-15-2016, 04:39 PM
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Idle adjustment knob for Series I and Series II FJR's (up to and including 2012):
http://www.fjrtech.net/getdbitem.cfm?item=28

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post #6 of 27 (permalink) Old 05-15-2016, 05:18 PM
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Raybob,

Yep, that 900 RPM idle speed is set too low, and that may be all that is wrong, there.
1100~1150 RPM is about right for the idle speed.

You can call the Yamaha mothership directly (1-800-962-7926).
Give them the VIN, and they will tell you if any recalls are done or not.
This information is good to have, when buying any bike.

The Power Commanders have various fueling maps, available from the FJR owners who have that unit.
Ask around here for more maps, if the throttle problem continues.

The G2 Throttle Tamer twistgrip gives you finer engine control at low RPM, which some 2007 owners like better than stock.
G2 makes various twistgrips; you would want the Throttle Tamer.

Cheers,
Red
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post #7 of 27 (permalink) Old 05-15-2016, 05:41 PM Thread Starter
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Thanks All.

I had the owner adjust the idle to 1100 and put the baffles back in the exhaust. He sent me a video and the problem seems much slighter. I'm inclined to buy it since it is low miles and extremely clean. It did have a touch of oil around the fork seals, but that doesn't make or break the deal. Otherwise, no apparent oil or other fluids leaking.

I am taking it for a longer ride at speeds in the next day or so and will report back.

It's a beautiful machine and I look forward to joining the FJR devotees.

Thanks for your help.

Raymond
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post #8 of 27 (permalink) Old 05-15-2016, 07:25 PM
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Newbie Looking at 2007 FJR w/ throttle issue

Quote:
Originally Posted by Raybob View Post
I'm inclined to buy it since it is low miles and extremely clean. It did have a touch of oil around the fork seals, but that doesn't make or break the deal.
It's a beautiful machine and I look forward to joining the FJR devotees.
Raymond
Raymond,

A Sealmate tool can often fix leaking fork seals, quick and easy.
Costs ~US$5 or make your own from milk jug plastic.

Cheers,
Red
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post #9 of 27 (permalink) Old 05-15-2016, 08:08 PM
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Quote:
Originally Posted by Raybob View Post
Greetings All,

Moving from a Kawasaki ZG 1000 to a FJR. I test rode a 2007 this morning and the bike is in great shape, low miles, very clean, but with what seems a fairly common issue. Initial acceleration from idle (900rpm) while in neutral led to hesitation in the engine response and occasionally to the engine dying. Seemed to improve a little on warm-up.

The bike is located at an altitude of 4500 ft. It has aftermarket exhaust (Staintune) and an older generation Power Commander. The current owner doesn't know whether the ECU was recalled and replaced.

How big a concern is this? How much is a fix (and what is it, exactly?)? I've been trolling the forum and don't (yet) see a clear answer. Any advice is appreciated!

Raymond
a- how many owners

b- how many mechanics

c- how many DIY that muck around under the tank

known fact ....after market exhausts will many times affect the idle
many a different bike & model
resulting in a ' lean ' condition
fluffy idle = essentially less power at idle

many think over time they can modify & have a better product that what they bought

rare they accomplish that result

whenever anyone is having issues its always good to revert to
OEM / parametres [ currently Not even close ]
sometimes issues go away or point more clearly to the
negatives resulting in a better path to a solution

the bike is question is old
has passed thru many a hand

probably NO major issues yet a basket full
of headaches & ankle biting issues

eliminating ALL of the knotted issues will atke a really gooood mechanic &
plenty o patience$$$$$$$
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post #10 of 27 (permalink) Old 05-15-2016, 08:18 PM
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All good advice above, the '06-'07's were lean and prone to throttle snatch.... up the idle speed, but if it doesn't idle properly, it may have a map that is too rich..... easily fixed. A TBS wouldn't hurt either. I don't think the pipes will cause an issue, less likely with Staintunes. Might need new plugs, new fuel..
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