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Anyone know anything about mass airflow sensors?


Nute

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5 hours ago, Buckster said:

What are the load resistors for?

Resisting loads.... the clues in the name No Way Smh GIF

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2 hours ago, busabeast said:

Resisting loads.... the clues in the name No Way Smh GIF

You should put some in the busa seat.

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I’m using LED indicators and the load from them is too small for the original relay which just goes into meltdown. The resistors in each indicator line allows the flasher relay to work properly. I initially forgot them 😖. When I had wired it all up I tested the indicators and just got a high pitched squeal and nothing else, so had to redo those bits.
 

Will connect up the front ones tomorrow, I have sleeves which goes between the upper and lower fork bridges on each side which have the indicators built in. I was going to put them on each end of the handle bar, and may still do that as well but got the ones integrated into the sleeves used, and cheap so will go with it and see what I think once they are fitted. 
 

 

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you could always change the Resistors for an LED relay.. sold on many E sites and the Bay of E,s

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Got  quite a bit done today, although it still looks like a bag of crap. With the exception of the hazard lights ( need a switch) all the lights work, rad is back on, back brake works, forks back together. Still trying to find a 6.5" old school headlight that I like, then I can burn the £12 alliexpress one that's on there. I might leave the tank as it is ... and I have a second one that I might eventually get painted. 

Need to find somewhere to stash the ignition barrel, and make a coolant expansion tank. Oh and get my wheels back. Still awaiting the front brake lines. I can't alter the stand, or make the exhaust until I get the wheels back and I can see how much space a have to play with in front of the back wheel. 

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2 hours ago, Pedro said:

You settled on a colour for the tank yet, @Nute?

My original thought was a military green, but I’m quite liking the unfinished aluminium complete with filler so I’m not sure. 
 

The tanks for these are not easy to find as they almost always rot out at the lower shoulder where the water that inevitably gets into the tank accumulates. I picked up a second one that was for sale near me recently, complete with holes at the lower shoulder, which has been welded up. I need to grind back the welds and see how good of a finish I can get. If it’s ok I could have one painted and one bare and see which I prefer. 

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I has a back wheel .... if only I could find what I've done with the little insert cover that goes over the studs....

Still waiting on some front brake lines 

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3 hours ago, Nute said:

I has a back wheel .... if only I could find what I've done with the little insert cover that goes over the studs....

Still waiting on some front brake lines 

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I see you’re going full hipster and fitting “trail” tires on a K75. Smart choice for going to cafes with barbers and artisanal burgers in London.

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I didn’t go for the extra knobbly ones. The choice wasn’t great due to the weird size rims. 

Keeping the high bars so not gone full artisan coffee, but I’ll fit the cup holder tomorrow 😄

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11 hours ago, Pedro said:

I see you’re going full hipster and fitting “trail” tires on a K75. Smart choice for going to cafes with barbers and artisanal burgers in London.

Essential for the obligatory Starbucks visits.

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On 03/05/2026 at 07:56, Buckster said:

What are the load resistors for?

It's so he doesn't get electrocuted...lol. 

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  • 3 weeks later...

Rode it for the first time today, just round the driveway as still waiting for the front brake lines. Runs great, but not been out of first gear 🙂

Still need a coolant tank, was going to use a stainless water bottle but the material is so thin that my TIG skills are not up to welding it without blowing through the material. It also wouldn't be rigid enough once the hose is on the not to fatigue the joint so still thinking about that. Got a different exhaust coming as I don't like what's on there, need a decent headlight and some sort of rear mug guard, and to weld the fillets between the frame and the lower edge of the seat to hide the electrics. Still need to program the new clocks, not yet picking up the revs and need to get the other bits like the gear position and fuel level to work. 

Next winter I will take it all apart again, cut the odd bits off the frame I don't need and get it powder coated, and rewire the remaining original bits too. 

Final pic is what it started out as. Not to everyones taste but I've had fun doing it. 

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9 minutes ago, Nute said:

Rode it for the first time today, just round the driveway as still waiting for the front brake lines. Runs great, but not been out of first gear 🙂

Still need a coolant tank, was going to use a stainless water bottle but the material is so thin that my TIG skills are not up to welding it without blowing through the material. It also wouldn't be rigid enough once the hose is on the not to fatigue the joint so still thinking about that. Got a different exhaust coming as I don't like what's on there, need a decent headlight and some sort of rear mug guard, and to weld the fillets between the frame and the lower edge of the seat to hide the electrics. Still need to program the new clocks, not yet picking up the revs and need to get the other bits like the gear position and fuel level to work. 

Next winter I will take it all apart again, cut the odd bits off the frame I don't need and get it powder coated, and rewire the remaining original bits too. 

Final pic is what it started out as. Not to everyones taste but I've had fun doing it. 

PXL_20260531_164420362.jpg

PXL_20260531_164407563.jpg

PXL_20260531_164431713.jpg

PXL_20260531_164357672.jpg

PXL_20250403_143731946.jpg

Would be interesting to know the difference in weight between before and after.

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Never thought of that, but yes it would be interesting. I suppose I could just weigh the big heap of stuff sitting in the corner of my garage that I took off, although ive binned quite a bit. 

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