[shaun.calvert84]

Good morning y'all,
Hope you are well.

I have a 2012 Vaq vn1700 and she's misfiring pretty bad. I've done the plugs and air filter and next I'm moving on to replacing the fuel pump. Once I have done the fuel pump, do I need to put her through a tune (dyno)?

My apologies for the armature question, I'm mechanically illiterate.

Shaun
Sydney, Australia 🇦🇺

 

[GR rider]

Hi Shaun and welcome to the forum

 

[shaun.calvert84]

Thank you

 

[bigbadbass]

suggest to add coils/related electrical/spark plug caps/wires etc etc to your investigation, perhaps as simple as a loose wire or connection somewhere?

Best o' luck with it.

 

[shaun.calvert84]

suggest to add coils/related electrical/spark plug caps/wires etc etc to your investigation, perhaps as simple as a loose wire or connection somewhere?

Best o' luck with it.

Thanks bro, I keep that in mind.

 

[Kanmi]

Hi buddy, welcome to the forum

 

[Bweighmaster]

Welcome to the forum , Tell us more about You , your bikes , Where you ride ...., Pics welcome anytime ..... Have you checked valve clearances ? Is air fikter stock ? Exaust pipe ?

 

[shaun.calvert84]

Thanks mate, I'm from Sydney Australia, my bike is my daily. I ride from the highways to local streets, even to get the bread n milk lol. The pipes are after market, air filter is stock and from white I understand the valves are automatic adjusting.

 

[Bweighmaster]

Thanks mate, I'm from Sydney Australia, my bike is my daily. I ride from the highways to local streets, even to get the bread n milk lol. The pipes are after market, air filter is stock and from white I understand the valves are automatic adjusting. View attachment 141453

Valves have adjusters ....,

 

[Bweighmaster]

Adjustments using shims ...

 

[KevA]

The OP is correct his Bike has HLA's fitted.

 

[Bweighmaster]

The OP is correct his Bike has HLA's fitted.

Are we looking at the same parts manual ? Or are we looking at different year bikes ???

 

[KevA]

I have no idea what your looking at, But from your answers I suspect it's nothing to do with Motorcycles fwiw

ONLINE PARTS FOR 2012 VULCAN 1700 VAQUERO
Above is the Parts Cat for the OP's Motorcycle, Have a wander down to Valve(s) and be amazed

I've attached a nice little picture of the setup showing 12025-1053 Adjuster-Lash, Now just because it's refered to as an Adjuster doesn't in this instance mean some Dick Head needs to Adjust them, They Auto Adjust with no gap, WTF I hear you gasp !!! No Clearance ? Yep it's Hydraulic you see, Controlled by Oil.

 

[Bweighmaster]

You don't have to be a richard about it ..., I was looking for a hydraulic lifter ....

 

[KevA]

I was looking for a hydraulic lifter ....

Why ?

 

[Bweighmaster]

Maybe i don't understand how the system works , I'm used to VL 37 Type lifters ...,

 

[KevA]

Maybe i don't understand how the system works , I'm used to VL 37 Type lifters ...,

I see, You obviously know how the Hydraulic lifter works as your used to the Type VL37 so why suggest they needed adjusting in your post #10

Adjustments using shims ...

Anyhoo, I'm bored now and thread is off track..Sorry Shaun

 

[Bweighmaster]

Where is the lifter ?

 

[GZ900]

You have aftermarket pipes?
Was a Power Commander added?
Was your ECM module updated/flashed to handle the pipes?
If you are getting backfire with aftermarket pipes it might have to do with your computer not being adjusted for those pipes.

 

[shaun.calvert84]

Good evening all,
Update time.

10 days ago I put my bike into a service shop to get it fixed, and they only figured it out today 🤦. I was informed that there is an issue with my O² sensor's bung, in fact, the bolt was completely stripped (not sure how that could have happened 🤷).

they took the throttle body off - cleaned
Took the injectors out- checked / cleaned (no leaks)
Changed the air filter (new)
Changed head cover gaskets - x2
Re welded the O² sensor's bung

Next it needs a major service as it's at 60000+kms
All for the ripe old price of 2k 😱