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What's up with the 2015 F3 1330cc spark plugs?

jpbohmann -- 2015 F3-S 8K miles -- running on 2 cylinders; replaced spark plugs

juscuz -- 2015 F3-S 30K miles -- loose plug; replaced spark plugs...

You are doing something wrong if the plugs had to be replaced at 8K miles. Ask your dealer what it is.

I'm with PMK. Your symptoms description make it seem the engine is running smoothly but something in the remainder of the drivetrain isn't functioning properly. If it isn't the pulley, change the...

I use a Shorai motorsports battery which, like the Antigravity, is LifePo4 chemistry. LifePo4 cranking and storage performance is lower than Lithium-Ion batteries but it's safer fire- and...

The ECM is essentially a tailored computer operating at computer speeds performing among other tasks sampling its analog and digital inputs. The brake switch is a digital input operating at...

Concur with DickB -- Spyder. If you will be riding 2-up road trips then the 1330cc 3-cylinder is the better choice over the 998cc 2-cylinder (both a good engines but you will have to spin the 998cc...

Mikey and BajaRon are correct: most likely the horn button is damaged or the horn compressor failed.

(1) Quick fuse validation: are your foglights or ACS functional (engine must be running)?
...

Based on your symptoms so far (was working, no change when flasher disconnected) the most likely cause is a sticking brake switch as noted above. The switch is an SPST N-O microswitch which provides...

Two questions:

(1) has cruise control ever worked?

(2) can you have someone follow you to confirm the Spyder brake lights are operating properly?

If you do isolate the brake flasher as the source of the problem (and you probably will) then read this thread:
...

A multimeter probably isn't needed but it's always good to have one and know how to use it.

One problem using a multimeter in these circumstances (horn working for several years and then not...

Okay found instructions for the Wolo Bad Boy 419 and 519

https://wolo-mfg.com/media/wysiwyg/pdfs/replacement_horns/419_english_3-23.pdf

You can use the horn as direct replacement for the...

Search is your friend https://www.spyderlovers.com/forums/showthread.php?155792-Can-Car-Horns-be-made-functional-on-an-F3&p=1680875&viewfull=1#post1680875

sandee--one of the many nice things about this forum is they don't charge by word count. Nor for posting pictures. Use more of both.

Wolo => internet search => horn. Got it. Like Peter said...

BTT was absorbed into Mahle. Mahle has an excellent website to search for replacement parts. That 54mm diameter BTT thermostat would be in the Mahle TX 1x 80D series of thermostats. Except it...

Try spinning the engine a bit faster. In my mountains I mostly stay in 4th with downshift to 3rd or 2nd as needed keeping the RPM between 4-7K. The 1330cc engine is just such a sweetie and it loves...

Along the lines BajaRon indicated, I observed a marked "knee" of about 5 psi drop at around 3K+ for both BRP and Lamonster products. This is a 90K Spyder in SoCal. Due to the age of the machine and...

Okay I gotta tug my forelock a little harder. I can do that ...:D

WRT to thread-locking compound, bad assumption on my part. Rereading the service manual, at the beginning of the Cooling System...

Thank you for this information -- not what I expected from other forum posts and reading service manual.

This bodes well the previous owner was conscientious in caring for your Spyder.

Now the big question is: 8 or 9 splines?

I'm betting on 8.

The McGard lug nuts will surprise you -- they are...

The lug nut openings of the PPA wheels, which I have (highly recommended) are much smaller than BRP wheels so the usual lug nut cannot be used (I tried, even with thin wall sockets). The McGard...

Peter is correct. There is a variety of splined lug nuts each requiring its unique socket, most of which are thin wall. For instance, the McGard lug nuts on my Spyder (highly recommended) have 8...

I recommend a color temperature of 3,000 to 3,500 Kelvin. Better distance for you and less glare for oncoming drivers. Higher color temperatures provide more light although shorter distance and...

Per my 2014 Service Manual it's 20AWG.

That would be all North America 2015 F3 models, which presumably yours is. Australia, Brazil, Europe and Japan weren't as fortunate.

It's a bit difficult to discern in your photos but I believe you have the 6-spoke 89 tooth rear sprocket which is the "sporty" F3 configuration.

Preview is your friend.

Just found some Spyder DTC information by r.s.wenzel aka member spyderCodes

P0571 WPM HBS switch fault

P1571 WPM HBS switch deactivation fault

Assuming your 2018 electrical system isn't much different than my 2014, the fog lights circuit is via the Load Shedding relay while the headlight circuit is separate. Do your heated grips work...

Some notes from my 2014 Service Manual:

PARKING BRAKE DOES NOT WORK

1. Faulty WPM module or wiring.
- Check if windshield works properly.
- Carry out a WPM MODULE SIGNAL CIRCUIT CONTINUITY...

Thank you SS. From the OBD-II PIDs Wikepedia The Spyder's PIDs follow the style but not the content of "the standard OBD-II PIDs as defined by SAE J1979." Which is why

Two items for a successful...