HRC Ignition Unit

[shereen]

What do they actually do? Is it worth the money getting one? Will it noticable improve my bike performance?

I have heard conflicting advice regarding the damn little box!!

https://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=260833191382&ssPageName=STRK:MESINDXX:IT

Last one I saw on egay went for over £200.
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[DrDonnyBrago]

If you don't know what it does you probably don't need it.


IMO, spending money to create extra power for a 400 is nonsensical, if you want a faster bike then buy a bigger one. Same goes for those on 600s tbh.

Servicing, handling and braking are the three exceptions, worn and abused shocks and springs can make the difference between a brilliant bike and a crap one and an unserviced abused bike will not run as strong as a respected one. Spend the £200 on a shock rebuild and respring and a set of fork springs. Alternatively braided lines and a brake rebuild or even just spend it getting your valve clearances done, if yours are out it could be costing you power anyway.

[Wafer_Thin_Ham]

All it does is increase the rev limit and alter the ignition cuve slightly.
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[shereen]

[Blau Zedong]

Pretty much useless unless coupled with other mods is the general consensus. It's designed to work with the rest of the race kit including the airbox and carb kit.
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[Robby]

As said, not worth it. Your bike is 15-20 years old, if you want to throw money at it then spend it on the brakes or suspension.

[Frost]

I had one on my NC30. I noticed no difference. Some say it reduces the flat spot in the rev range, but when dyno'ed my bike still had one.

[shereen]

[Billing]

Even though you've made your decision, just wanted to say don't bother with it, for £135 you can get an Ignitech CDI which will do everything that HRC box claims to do and more.

I have one on mine, and was very impressed, no restrictions, and it's slightly better in the midrange, it can be loaded with a HRC map if you have the rest of the setup
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'84 TS50X, '91 TZR125, '89 CBR400RR, '91 VFR400R NC30, '98 R1
"Hey copernicus! Why don't you navigate yourself to the back of the line with your feet and stand there with your shit."
BCF Eastern members map here ---> g.co/maps/2tm8b PM me to be added to it!

[Frost]

Actually it does make 2 differences:
Removes the 112mph speed restriction, but so does adding in a resistor behind the clocks, adding a speedo converter and a few other things.
Removes the rev limiter. I found this out when I got mine off the scale overtaking my dad. Probably useful if you've done some serious engine modification and the limiter is kicking in too early for your newly shaped power curve, but for 99% of NC30's it just makes it easier to damage the engine.

The RVF USD's are internally the same as VFR forks, they mostly just look nicer. So getting your current forks serviced and some progressive springs would do more for the ride quality.

[shereen]

[Chriss]

Rather than going for bog standard USDs, I'd personally just pay for Maxton to rework your current ones. Much better bang for your buck and you will notice a huge difference.

Unless your shock is standard and old, in which case I'd spend the money there first, since that's the best change in suspension you can make, in my very humble suspension addicted opinion.
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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

[shereen]

[Billing]

I got the USD's for the looks, I'll admit it, I'm a tart but they do give provision for better brake calipers (gold ones from the SP1/2 etc)

If you do want an ignitech, shout me, I'll help you get one from the same place I got mine, come with the software CD and a cable to run to a computer (you'll want to spend the extra to get the adaptor unless you have a 9 pin serial port on your laptop)

Get me a picture of your shock, I'll tell you what it is, and whether it's rebuildable. I've been advised that if on a budget you're best off having the stock one rebuilt, it's good enough when it's in good condition
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'84 TS50X, '91 TZR125, '89 CBR400RR, '91 VFR400R NC30, '98 R1
"Hey copernicus! Why don't you navigate yourself to the back of the line with your feet and stand there with your shit."
BCF Eastern members map here ---> g.co/maps/2tm8b PM me to be added to it!

[Chriss]

[Chriss]

For what it's worth too, if you do want USDs for the tart factor then before fitting them it's probably worth having them rebuilt by a company such as Maxton (I mention them because I've had excellent service from them before). I only bought an Ohlins shock over getting mine rebuilt because I was a tart.
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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

[Billing]

Just remembered that convo we had about the redbull can on the shock reservoir on some bikes. You have a later shock, which IS rebuildable, so there's good news there

From what the guys on greybike have said there doesn't appear to be any difference between the HRC box and a 2.2k ohm resistor, apart from it says HRC on it! I don't think anyone has been brave enough to crack one open to see whats actually in it though.
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'84 TS50X, '91 TZR125, '89 CBR400RR, '91 VFR400R NC30, '98 R1
"Hey copernicus! Why don't you navigate yourself to the back of the line with your feet and stand there with your shit."
BCF Eastern members map here ---> g.co/maps/2tm8b PM me to be added to it!

[temeluchus]

I can sell you a magick potion that doubles your power. Only a tenner via paypal.
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Some shite cruiser. Now with guns and FREEDOM!

[shereen]

[Chriss]

[shereen]

[Chriss]

Just edited my post above to include more information.

They start at £415 + VAT.
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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

[shereen]

[Chriss]