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Thread: 11’ D675R Bike won’t start, fuel pump relay location? Reply to Thread
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  Topic Review (Newest First)
10-04-19 19:10
sLowCL9
Quote:
Originally Posted by MadMel View Post
Quote:
Originally Posted by sLowCL9 View Post
Quote:
Originally Posted by MadMel View Post
Bike that cranks but won't start is often the crank position sensor (aka CPS). Checking its impedance only takes a minute and is a good start, the plug is under the tank, should be somewhere in the neighbourhood of 220 ohms. Search the site for info... it's a very common problem.
After some searching, it looks like the cps has a close relationship with the stator. If the cps goes bad, does that mean the stator is bad? I checked my charging system and it was fine. I don’t much about it, sorry
They're not related functionally, but because their wiring goes through the same grommet, they're sold as a single, overly expensive unit.

I agree with the comment that it shouldn't be the CPS because it can be bump started... but they're such junk that I'd check it anyway.

I've used Caltric aftermarket stator/CPS units... the CPSes don't last long. From what I have read on here, same issue with the Rick's units. I've gone down the path of watching eBay for used stock ones, and replacing the stator connector with a Metripack connector. Sometimes you can find a cheap one because the stock stator connector has melted down, as they do.

I've got about 16,000 track km on my bike, and it has had zero problems other than the stator connector melting (twice) and CPS dying (three or four times, actually maybe five, only the first was the stock CPS). IMO the best option for racers is to replace the stator connector with a Metripack 630, and find two used stock stator/CPS, one for the bike and one for the spares box.

If your stator is good, the voltage at the battery will be higher after you start the bike than before you start it, because it's charging the battery.
I was only able to bump start it for that day, but I can no long bump start it at all. Once I got home from the track, it was done. When I was able to get it going during the day, it was running in the mid 13’s rather than 12v when off. The battery was shot at the time and I’ve already replaced it. That’s why I thought my stator should be working because it was, in fact, charging.
10-04-19 17:25
MadMel
Quote:
Originally Posted by sLowCL9 View Post
Quote:
Originally Posted by MadMel View Post
Bike that cranks but won't start is often the crank position sensor (aka CPS). Checking its impedance only takes a minute and is a good start, the plug is under the tank, should be somewhere in the neighbourhood of 220 ohms. Search the site for info... it's a very common problem.
After some searching, it looks like the cps has a close relationship with the stator. If the cps goes bad, does that mean the stator is bad? I checked my charging system and it was fine. I don’t much about it, sorry
They're not related functionally, but because their wiring goes through the same grommet, they're sold as a single, overly expensive unit.

I agree with the comment that it shouldn't be the CPS because it can be bump started... but they're such junk that I'd check it anyway.

I've used Caltric aftermarket stator/CPS units... the CPSes don't last long. From what I have read on here, same issue with the Rick's units. I've gone down the path of watching eBay for used stock ones, and replacing the stator connector with a Metripack connector. Sometimes you can find a cheap one because the stock stator connector has melted down, as they do.

I've got about 16,000 track km on my bike, and it has had zero problems other than the stator connector melting (twice) and CPS dying (three or four times, actually maybe five, only the first was the stock CPS). IMO the best option for racers is to replace the stator connector with a Metripack 630, and find two used stock stator/CPS, one for the bike and one for the spares box.

If your stator is good, the voltage at the battery will be higher after you start the bike than before you start it, because it's charging the battery.
10-04-19 01:37
sLowCL9 Does anyone know of or prefer an aftermarket stator/cps they would recommend?
10-04-19 01:28
sLowCL9
Quote:
Originally Posted by cdenley View Post
Quote:
Originally Posted by sLowCL9 View Post
After some searching, it looks like the cps has a close relationship with the stator. If the cps goes bad, does that mean the stator is bad? I checked my charging system and it was fine. I don’t much about it, sorry
The CPS seems to be the most common problem with our bikes, but it wouldn't explain why your bike wouldn't start until bump starting. Neither would a fuel pump or relay. I've replaced my CPS twice. Usually you get no spark (so bump starting wouldn't work) and no CEL. The resistance measurement is almost always out of spec if it fails, but not always apparently. I think typically either one or the other goes bad, stator or CPS. However, it seems plausible to me that if your stator fried the heat could have damaged the CPS as well since it is right next to it. But you can't buy them separately from Triumph. You could aftermarket.
This makes a lot more sense to me. When I had the bike going, the charging system was working fine, according to the voltage. If the stator were bad, would that affect it? I always thought the stator was like the alternator, so a bad stator should show low voltage while on? Thanks for the help!
10-03-19 11:07
cdenley
Quote:
Originally Posted by sLowCL9 View Post
After some searching, it looks like the cps has a close relationship with the stator. If the cps goes bad, does that mean the stator is bad? I checked my charging system and it was fine. I donít much about it, sorry
The CPS seems to be the most common problem with our bikes, but it wouldn't explain why your bike wouldn't start until bump starting. Neither would a fuel pump or relay. I've replaced my CPS twice. Usually you get no spark (so bump starting wouldn't work) and no CEL. The resistance measurement is almost always out of spec if it fails, but not always apparently. I think typically either one or the other goes bad, stator or CPS. However, it seems plausible to me that if your stator fried the heat could have damaged the CPS as well since it is right next to it. But you can't buy them separately from Triumph. You could aftermarket.
10-03-19 01:35
sLowCL9
Quote:
Originally Posted by MadMel View Post
Bike that cranks but won't start is often the crank position sensor (aka CPS). Checking its impedance only takes a minute and is a good start, the plug is under the tank, should be somewhere in the neighbourhood of 220 ohms. Search the site for info... it's a very common problem.
After some searching, it looks like the cps has a close relationship with the stator. If the cps goes bad, does that mean the stator is bad? I checked my charging system and it was fine. I don’t much about it, sorry
10-02-19 18:30
MadMel Bike that cranks but won't start is often the crank position sensor (aka CPS). Checking its impedance only takes a minute and is a good start, the plug is under the tank, should be somewhere in the neighbourhood of 220 ohms. Search the site for info... it's a very common problem.
10-02-19 18:22
sLowCL9
Quote:
Originally Posted by cdenley View Post
Quote:
Originally Posted by sLowCL9 View Post
Did a back to back track day last month and it was HOT. Bike ran well on day 1, but on day 2, it wouldn’t start. I was able to bump start it before every round out, but I cut the day short due to the inconvenience. While out, the bike would bog out at around 10k, so I was shifting early to keep it going. By the time I got home, I wasn’t able to start it or bump start it at all. The battery was also shot, so I replaced the battery thinking that was the problem. Not the case, still just cranks, but motor won’t turn over. Tune up was done about 2-3k ago. I was recommended to replace the fuel pump relay by someone with a street triple, but I CANT FIND A THING REGARDING IT. I’ve called a triumph dealer and they can seem to find something for the Daytona. Does this bike even have a fuel pump relay?! Where is it?! What else could it be? Help!
Not sure where the stock location for the fuel pump relay is (mine is in my battery tray), but that sounds like a charging issue to me.
https://www.triumph675.net/forum/showthread.php?t=35227
Checked the charging system and everything was working well. That was also a thought of ours
10-02-19 13:25
cdenley
Quote:
Originally Posted by sLowCL9 View Post
Did a back to back track day last month and it was HOT. Bike ran well on day 1, but on day 2, it wouldnít start. I was able to bump start it before every round out, but I cut the day short due to the inconvenience. While out, the bike would bog out at around 10k, so I was shifting early to keep it going. By the time I got home, I wasnít able to start it or bump start it at all. The battery was also shot, so I replaced the battery thinking that was the problem. Not the case, still just cranks, but motor wonít turn over. Tune up was done about 2-3k ago. I was recommended to replace the fuel pump relay by someone with a street triple, but I CANT FIND A THING REGARDING IT. Iíve called a triumph dealer and they can seem to find something for the Daytona. Does this bike even have a fuel pump relay?! Where is it?! What else could it be? Help!
Not sure where the stock location for the fuel pump relay is (mine is in my battery tray), but that sounds like a charging issue to me.
https://www.triumph675.net/forum/showthread.php?t=35227
10-02-19 01:54
sLowCL9 Did a back to back track day last month and it was HOT. Bike ran well on day 1, but on day 2, it wouldn’t start. I was able to bump start it before every round out, but I cut the day short due to the inconvenience. While out, the bike would bog out at around 10k, so I was shifting early to keep it going. By the time I got home, I wasn’t able to start it or bump start it at all. The battery was also shot, so I replaced the battery thinking that was the problem. Not the case, still just cranks, but motor won’t turn over. Tune up was done about 2-3k ago. I was recommended to replace the fuel pump relay by someone with a street triple, but I CANT FIND A THING REGARDING IT. I’ve called a triumph dealer and they can seem to find something for the Daytona. Does this bike even have a fuel pump relay?! Where is it?! What else could it be? Help!

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