Hi Kev, just bought myself a Bobber and found your channel on a search of YT. Loving your content and giving me ideas for mine. Quick question, does the shortened mud guard still protect you from spray etc?
I have to be honest, no it doesnt. I get a wet arse and tiger stripe up my back on anything other than dry roads on a sunshiny day. The short looks good but it isnt practical. I will probably fit a full fender once the summer season is over.
Great as usual, keep up the great vids. Noticed that the Avon cobras are supposedly new since 2020 but they had them on the 2018 bobber black also, so are they new versions or what? Anywho how are they as a factory released tire?
Thanks Steve. Not sure on that one. It does look like the same tyre on the Bobber Black, so maybe an older generation as you say. They appear to be the official Triumph tyre for the bobber now. I dont have a great deal to compare them to as I am a new rider, and I have not ‘pushed’ the bike really as I have been running it in. So far so good though, seem like good tyres and the look quite good. I really like them when they have the white writing so I might add tyre stickers to the job list.
a question for you on the x-pipe upgrade for the exhaust. I have heard mixed statements from people that the cat is now welded to the exhaust rather than clamps and fittings. Seeing as you have a new bike how is it looking for an x-pipe/cat delete upgrade?
@@scubasteve524 defo not welded on the 22 plate. I have had both headers and tail pipes off the cat, all fitted with clamps. X pipe isnt for me as the pipes are loud enough (which reminds me I need to take a video of them running). Oddly enough I was talking to someone about X pipes at the West Coast Triumph event on Wednesday, he said his fuel consumption went through the roof after fitting an X pipe so took it back off. That was without a remap though.
Odd, and sad about the fuel consumption issue. This is because most of the companies that make an x-pipe say that you don’t need a remap or dyno check done, just let the engine run without Erving till the fan turns on then the computer should just adjust to the new setting. Ah well as for the pipe video yeah would love to hear the sound.
@@scubasteve524 Just my 2 cents… x pipe retailers probably wouldnt see as many leave their shelves if they were to advertise that fuel consumption will go up and a remap is required. I also dont think many who talk about remaps actually understand what it does. Not trying to teach anyone to suck eggs here but this is my take on it… Removing the end cans likely makes little difference to the back pressure in the header. That is a bit of an assumption as I obviously have no data on this or a method to measure. The main pressure drop is across the cat. This means that a back pressure is created in the header. With the engine being NA, this back pressure has an affect on the exhaust and induction cycle. Without forced induction, the oxygen content in the cylinder depends on how efficient the exhaust stroke is at emptying the cylinder of combustion gas. The piston is always going to have a bump clearance so there will always be a certain volume that is not scavenged. Back pressure in the headers will cause a certain volume of exhaust has to re-enter the cylinder before the valves close. This is all calculable and therefore the oxygen content available for combustion known. The fuel map is then set up for this. Now, by removing the source of the pressure restriction, i.e the cat, the exhaust stroke is more efficient as there is no back pressure to cause combustion gas to re-enter the cylinder, only the bump clearance remains. This means more oxygen is available for the combustion cycle. With more oxygen available, but with the same fuel map, there will be a higher oxygen content in the exhaust gas as essentially there will be a lean burn. This is where the oxygen sensors in the headers come into play. This higher oxygen content is detected, so the ecu decides it needs to increase the fuel volume to re-achieve a stoichiometric burn. Hence the increase in fuel consumption. Even with a remap I imagine the fuel consumption will be higher, unless a deliberate lean burn situation is created.
Hi Kev, just bought myself a Bobber and found your channel on a search of YT. Loving your content and giving me ideas for mine. Quick question, does the shortened mud guard still protect you from spray etc?
I have to be honest, no it doesnt. I get a wet arse and tiger stripe up my back on anything other than dry roads on a sunshiny day. The short looks good but it isnt practical. I will probably fit a full fender once the summer season is over.
Great as usual, keep up the great vids. Noticed that the Avon cobras are supposedly new since 2020 but they had them on the 2018 bobber black also, so are they new versions or what? Anywho how are they as a factory released tire?
Thanks Steve. Not sure on that one. It does look like the same tyre on the Bobber Black, so maybe an older generation as you say. They appear to be the official Triumph tyre for the bobber now. I dont have a great deal to compare them to as I am a new rider, and I have not ‘pushed’ the bike really as I have been running it in. So far so good though, seem like good tyres and the look quite good. I really like them when they have the white writing so I might add tyre stickers to the job list.
a question for you on the x-pipe upgrade for the exhaust. I have heard mixed statements from people that the cat is now welded to the exhaust rather than clamps and fittings. Seeing as you have a new bike how is it looking for an x-pipe/cat delete upgrade?
@@scubasteve524 defo not welded on the 22 plate. I have had both headers and tail pipes off the cat, all fitted with clamps.
X pipe isnt for me as the pipes are loud enough (which reminds me I need to take a video of them running). Oddly enough I was talking to someone about X pipes at the West Coast Triumph event on Wednesday, he said his fuel consumption went through the roof after fitting an X pipe so took it back off. That was without a remap though.
Odd, and sad about the fuel consumption issue. This is because most of the companies that make an x-pipe say that you don’t need a remap or dyno check done, just let the engine run without Erving till the fan turns on then the computer should just adjust to the new setting. Ah well as for the pipe video yeah would love to hear the sound.
@@scubasteve524 Just my 2 cents… x pipe retailers probably wouldnt see as many leave their shelves if they were to advertise that fuel consumption will go up and a remap is required. I also dont think many who talk about remaps actually understand what it does.
Not trying to teach anyone to suck eggs here but this is my take on it…
Removing the end cans likely makes little difference to the back pressure in the header. That is a bit of an assumption as I obviously have no data on this or a method to measure. The main pressure drop is across the cat. This means that a back pressure is created in the header. With the engine being NA, this back pressure has an affect on the exhaust and induction cycle. Without forced induction, the oxygen content in the cylinder depends on how efficient the exhaust stroke is at emptying the cylinder of combustion gas. The piston is always going to have a bump clearance so there will always be a certain volume that is not scavenged. Back pressure in the headers will cause a certain volume of exhaust has to re-enter the cylinder before the valves close. This is all calculable and therefore the oxygen content available for combustion known. The fuel map is then set up for this.
Now, by removing the source of the pressure restriction, i.e the cat, the exhaust stroke is more efficient as there is no back pressure to cause combustion gas to re-enter the cylinder, only the bump clearance remains. This means more oxygen is available for the combustion cycle. With more oxygen available, but with the same fuel map, there will be a higher oxygen content in the exhaust gas as essentially there will be a lean burn. This is where the oxygen sensors in the headers come into play. This higher oxygen content is detected, so the ecu decides it needs to increase the fuel volume to re-achieve a stoichiometric burn. Hence the increase in fuel consumption.
Even with a remap I imagine the fuel consumption will be higher, unless a deliberate lean burn situation is created.