The dogs' Hornet mods

**nzspokes** · 26th October 2015, 15:42

They are not rich everwhere. Lean in some and rich in others.

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**The End** · 26th October 2015, 19:09

Originally Posted by nzspokes

They are not rich everwhere. Lean in some and rich in others.

Did you have your midpipe welded or flanged on to the stock header when you did the low mount conversion?

**nzspokes** · 26th October 2015, 20:28

Originally Posted by The End

Did you have your midpipe welded or flanged on to the stock header when you did the low mount conversion?

Welded.

10char,

**The End** · 7th November 2015, 10:08

From the last fuel up I managed just under 190kms until the fuel light came on, and refuelled a few KMs after that. 65% around town riding, 35% motorway. Riding 'normal' - no hooning etc.

I got:

7.19 litres per 100km
or
32.7 US MPG

From looking at this thread:
http://www.wristtwisters.com/forums/...-on-53242.html

It seems to be horrendously low...

Thermostat is nearly here from the USA - I'll give that mod a go and report back any changes.

**nzspokes** · 7th November 2015, 10:11

Mine was 240ks to the light. You are getting worse then my VTR which is saying something.

**The End** · 7th November 2015, 10:25

Originally Posted by nzspokes

Mine was 240ks to the light. You are getting worse then my VTR which is saying something.

I just don't know what it could be, I've checked the fuel pressure regulator and it is fine - no fuel in the vacuum line, no leaking from what I can see. With and without air filter, no changes. Spark plugs look fine too...

It makes sense to my non-expert mind that getting such terrible MPG is a contributor to the terrible exhaust smell - it must be running extremely rich to be using that much fuel, adding to the exhaust smelling like unburnt fuel.

I'll try this thermostat mod as suggested by MarylandMike on WT and see what happens. He reported it instantly fixed the exhaust smell so I am crossing my fingers.

**nzspokes** · 7th November 2015, 11:12

When was the last valve check and is the intake flap valve functioning?

**The End** · 7th November 2015, 18:05

Originally Posted by nzspokes

When was the last valve check and is the intake flap valve functioning?

Valves done 7,000km ago. All well within spec no changes required.

**Gremlin** · 7th November 2015, 19:35

Originally Posted by The End

From the last fuel up I managed just under 190kms until the fuel light came on,

Well 7L/100km is terrible. How far do you fuel the bike, as this affects when the light comes on etc. I'd be somewhere around 220-240km before reserve (hard to tell currently as boss provides fuel at the office, so I'm unsure how much I'm putting in etc.)

**The End** · 7th November 2015, 19:38

Originally Posted by Gremlin

Well 7L/100km is terrible. How far do you fuel the bike, as this affects when the light comes on etc. I'd be somewhere around 220-240km before reserve (hard to tell currently as boss provides fuel at the office, so I'm unsure how much I'm putting in etc.)

I fill it until it comes up to the very top of the tank, and then let it settle for a few seconds before filling up some more. It isn't over filled, but it certainly isn't under filled.

Did 180kms today riding hard 100% open road, so will fill up tomorrow and see how my MPG varies.

**The End** · 8th November 2015, 09:26

195kms yesterday. 95% open road riding hard. 5% in town.

6.46L / 100km.

**Drew** · 8th November 2015, 09:50

Originally Posted by The End

195kms yesterday. 95% open road riding hard. 5% in town.

6.46L / 100km.

That doesn't seem too bad. So, it seems to run rich as fuck at low throttle and revs.

Ambient temp sensor could be fucked. In which case, check what resistance it should be at a temp of 20-30 degrees, go buy a resistor of the same value and remove the sensor. Should cost you about $3 to find out if I'm right.

**AllanB** · 8th November 2015, 09:57

Originally Posted by The End

195kms yesterday. 95% open road riding hard. 5% in town.

6.46L / 100km.

19 l tank on that. So 13 l for 200 lms with a max of 6 left. You'd be 250 with the light coming on.

On my calcs you got 36 US mpg in old school talk. Nothing wrong with that if you were riding hard. A quick Google of the old magazine reviews appear to be around 37 mpg - 'riding hard'.

Note US and Imperial are different if you are looking at UK forums.

I which case you are getting 43 MPG imperial. In old school that would be the NZ figure as we used the UK measurement not the US.

Links

http://www.checkyourmath.com/convert..._per_100km.php

http://www.checkyourmath.com/convert..._per_100km.php

I'd ignore most of the Wristtwisters values as they are USA based with the bike droning along for 90% of the run a a steady 60 mph before they get to a corner so their average will be impressive compared to NZ's roads.

Can't remember what I was getting out of a tank as I filled after each ride - they do drink when given the herbs around the hills - otherwise I was very happy.

**The End** · 25th November 2015, 21:09

Posted up my findings about installing a hotter thermostat to combat the exhaust stink on Wristwisters:

http://www.wristtwisters.com/forums/f94/

I also see there's a Honda twilight trackday on the 3rd of December....might head along.

http://www.hondamotorbikes.co.nz/med...-aaron-slight/