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Re: 2002 VTX1800S - Overheating Issue

Holy hell! That has got to be under pressure! Never in my life have I seen the coolant do more than dribble out of these bikes. They do make pressure caps you can use to test a coolant system for a leak. My guess is they used something like that to put pressure behind the coolant, because that's dow...
by Bareass172
Mon Sep 11, 2017 9:34 pm
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388

Re: VTX 1800 pinging

Jeez... Sorry to hear. Several calls and emails to my buddy, I could never nail down any good info. I hate to ask this, but this thread is over 2 years old - did we ever discuss a bad/leaky head gasket? A minor leak could pressurize the coolant system and cause overheating, but a minor leak could be...
by Bareass172
Fri Sep 08, 2017 1:16 am
 
Forum: VTX 1800 Tech
Topic: VTX 1800 pinging
Replies: 52
Views: 2295

Re: 2002 VTX1800S - Overheating Issue

There are plenty of good condition used caps on ebay for really cheap, so it can't hurt to try it. In truth, I'm not seeing that as the cause of your problems at this point but we're nitpicking things before we have to start looking at other causes so I think it's worthwhile. Other questions... When...
by Bareass172
Fri Sep 08, 2017 12:34 am
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388

Re: 2002 VTX1800S - Overheating Issue

The slow drip from that drain hole is normal and infuriating (I did watch the video to be sure). It is the reason I don't use it as a drain, I remove the lower radiator hose and drain it that way. That is a tiny hole to drain the system, and it's like holding your finger over a drinking straw - the ...
by Bareass172
Tue Sep 05, 2017 9:04 pm
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388

Re: F.I. light & Speedometer

I have seen multiple times where the FI light will come on and stay on until you turn the bike off and power cycle it, then it will go away. No stored codes, no nothing, just a random oddity. On the early model VTX's I learned to turn the key and wait for the fuel pump to prime before cranking the b...
by Bareass172
Tue Sep 05, 2017 8:34 pm
 
Forum: VTX 1800 Tech
Topic: F.I. light & Speedometer
Replies: 1
Views: 43

Re: TACHO issue

The F model tach pulls it's signal from the ECU, whereas the C mode you have has a tach lead which is essentially just connected to the front coil trigger wire. It may be possible that the 2 signals are just off by a multiple (meaning 1000RPM on one might be 2000 or 3000 on the other) but I don't kn...
by Bareass172
Tue Aug 29, 2017 7:53 pm
 
Forum: VTX 1800 Tech
Topic: TACHO issue
Replies: 4
Views: 69

Re: TACHO issue

When you rewired the wiring from the old dash to the new, where did you pull your signal from for the tach? Did you just tie to a coil? Did you use the yellow wire in the headlight bucket? I'll have to look at the schematics a bit to check, but I don't believe the F model uses that same input to det...
by Bareass172
Mon Aug 28, 2017 10:12 pm
 
Forum: VTX 1800 Tech
Topic: TACHO issue
Replies: 4
Views: 69

Re: 2002 VTX1800S - Overheating Issue

If it's run good until now and you've always run the right coolant mix then I see no reason to question that further. It was just a thought as it's actually a problem I fought on my Jeep a few years back. Your lower rad hose should be cooler as the flow is hot in the top, cooled out the bottom. The ...
by Bareass172
Sat Aug 26, 2017 8:45 pm
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388

Re: Fuel pressure testing VTX 1800?

Sorry, I've been busy as hell and not on here as much as I'd like to be. Your idea is a novel one! I did mine by cutting a spare fuel line up and adding what I needed to adapt to my gauge in barbed fittings. It's a test line I keep in my toolbox and break it out when I need to check customer bikes. ...
by Bareass172
Sat Aug 26, 2017 2:23 am
 
Forum: VTX 1800 Tech
Topic: Fuel pressure testing VTX 1800?
Replies: 2
Views: 62

Re: Fueling Issue and ECU Compatibility

Sorry for the delay replying, been busy. What I suspect is that you have a plugged vent. Ride for awhile, vacuum builds to where the pump cannot overcome it and it shuts down. Let it sit and some vacuum is relieved, but only enough for a mile or 2 until the bike really sits awhile. I can tell you it...
by Bareass172
Sat Aug 26, 2017 2:20 am
 
Forum: VTX 1800 Tech
Topic: Fueling Issue and ECU Compatibility
Replies: 1
Views: 36

Re: 2002 VTX1800S - Overheating Issue

David, Sorry for the really slow replies of late, I've been burning the candle at both ends with work. So I have an idea, I'm embarrassed to say I didn't bring it up sooner, but it's been years since I saw this problem. The early model VTX's had a notorious problem with the radiator cap not working ...
by Bareass172
Sat Aug 26, 2017 1:31 am
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388

Re: 2002 VTX1800S - Overheating Issue

Sorry it took me a few days to reply. At this point it must be one or the other. The ECT is directly responsible for the dash light, so it's definitely a culprit. I would pull the plug on it and make sure all the pins look clean and that it's not just a corrosion issue. To check the pump, check out ...
by Bareass172
Tue Aug 08, 2017 8:11 pm
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388

Re: Tripmeter Not Working

So, if the tripmeter isn't counting but the odometer is, then that's an internal problem and unfixable as far as I'm aware. If they are counting right but the reset is the only problem then it might be the switch. Even though you can switch between everything, the reset relies on a button "hold...
by Bareass172
Thu Jul 20, 2017 10:39 pm
 
Forum: VTX 1800 Tech
Topic: Tripmeter Not Working
Replies: 3
Views: 59

Re: 2002 VTX1800S - Overheating Issue

Honestly, the thermostat is likely fine but it's certainly something you could replace if you want to eliminate the problem once and for all. The OEM is kinda pricey for what it is, so I would probably do a quick google search and see if anyone ever found a cheaper alternative. There is a process to...
by Bareass172
Thu Jul 20, 2017 10:31 pm
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388

Re: I Hate Photobucket

Bah shit... Thanks for the heads up. Since I can host all my own images I haven't had to look for hosting in so long, I don't even know who's doing it anymore... If anyone has suggestions I'm all ears!
by Bareass172
Tue Jul 18, 2017 8:47 pm
 
Forum: Site Suggestions
Topic: I Hate Photobucket
Replies: 1
Views: 170

Re: Tripmeter Not Working

Can you elaborate about what you mean by "not working"? There are a few different problems that all manifest in specific different ways, so I need to know specifically what it is or isn't doing to help. ;)
by Bareass172
Tue Jul 18, 2017 8:45 pm
 
Forum: VTX 1800 Tech
Topic: Tripmeter Not Working
Replies: 3
Views: 59

Re: 2002 VTX1800S - Overheating Issue

Given what you said, now I do agree that the lower sensor/switch must be bad. Unfortunately you'll have to drain the system again, but you'll need the parts Honda calls: SWITCH ASSY., THERMO - #37760-MT2-003 O-RING (13.5X1.4) - #91307-PH7-660 It's just the switch and the O-ring that seals it. If you...
by Bareass172
Tue Jul 18, 2017 8:44 pm
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388

Re: Fuel issue Please help trip planned

The fuel coming out of the tank is completely normal. I know you said it didn't happen before, but if the fuel in the tank is low then very little will come out, if you have more fuel in the tank than a lot will come out (and keep coming). I would not worry about that problem at all. As for the surg...
by Bareass172
Tue Jul 18, 2017 8:37 pm
 
Forum: VTX 1800 Tech
Topic: Fuel issue Please help trip planned
Replies: 1
Views: 34

Re: VTX 1800 pinging

I emailed my buddy who fools with TPS stuff a lot (again) but still have yet to hear back from him. I've never done much with them other than troubleshoot - he's actually dismantled and rebuilt them. Hopefully he'll reply and give more insight...
by Bareass172
Tue Jul 18, 2017 8:29 pm
 
Forum: VTX 1800 Tech
Topic: VTX 1800 pinging
Replies: 52
Views: 2295

Re: 2002 VTX1800S - Overheating Issue

Check your coolant reservoir - many will crack when hit with road debris. If reservoir goes dry, the cooling system will eventually do the same. Also check the lower radiator mounts as they are known to crack from metal fatigue over time. Often the rad can be fixed with a quick touch up weld if you ...
by Bareass172
Tue Jul 11, 2017 9:50 pm
 
Forum: VTX 1800 Tech
Topic: 2002 VTX1800S - Overheating Issue
Replies: 19
Views: 388
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