I have found the following for sale, thread title is slightly misleading as i know its some kind of de-restriction box but does anyone know if it plugs into the stock harness or HRC harness only?
But why cut 20+ wires to fit a box that does the same job as cutting one wire on a stock harness? As you say it can be made to fit, but why bother. _________________ If I have to take the carbs off once more...
as stephen says,just do the wire splice back when i got my first sp,it was 1999 and i had no internet,so i had to source parts through peaple i knew from racing my rs _________________ ive seen more tarts than mr kipling
rhyshrc wrote:I have found the following for sale, thread title is slightly misleading as i know its some kind of de-restriction box but does anyone know if it plugs into the stock harness or HRC harness only?
Rhys, do you still intend to bring your MC21SP to us for checking over/setup? We will delimit it for you, and you'll never even know it's been done, to look at. (Except for the airbox lid... there's nothing we can do about that! It needs to be "opened up".)
No need for HRC, M-max, KISS, Posh or any other kind of delimiter boxes. _________________ Andy.
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On my NSR i have one of these delimiters but not cause i wanted to delimit the ignition with it.
It was a part of a used ignition kit which i bought for my NSR some years ago.
The kit was SS-SP (NKD) which includes unleaded HRC PGM-III (CI1605E) and a race loom with the delimiter been a part of it.
For a simply de-restriction i would follow the wire splice,the HRC box doesn't worth the effort and money.
The HRC box does exactly the same job as the wire splice but with a tricky (hidden) way under a plastic case.
Below is a photo of an uncovered HRC delimiter which you can see very easy how it does the (black-orange) wire splice.
_________________ Owner of : Honda NSR250 MC28 95sp colours / Honda NSR250 MC18 R6K SP / Honda RS250 NF5 89 in boxes / Honda C50 12V cub / Honda C50 12V super cub Japanese version /Yamaha XT600 89 benetton
StephenRC45 wrote:But why cut 20+ wires to fit a box that does the same job as cutting one wire on a stock harness? As you say it can be made to fit, but why bother.
Because when I bought mine from a very reputable source 12 years ago I was sold it under the pretence it was a go faster add-on which did more than just the wire splice.
We now know better! _________________ MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball
When I first delimited my MC21, Ethos sold me a KISS delimiter, saying it did the same thing as the HRC box, but plugged into the standard harness and cost 1/2 the price. Back then (1994), the HRC box was just too uncommon and expensive to cut open.
Technically, what I was told about the HRC box altering more than just the speed limiter was correct. However, so does the wire-splice! _________________ Andy.
NSR-WORLD.COM
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back when i got my first sp,it was 1999 and i had no internet,so i had to source parts through peaple i knew from racing my rs 
/ Honda C50 12V cub / Honda C50 12V super cub Japanese version /Yamaha XT600 89 benetton
