Reducing the throttle pressure on a V1000G5 |
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FlyingTiger
Senior Member Joined: 22 Sep 2018 Location: BRISTOL Status: Offline Points: 195 |
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Posted: 02 Jan 2019 at 13:01 |
Dear all -
I have read quite a few threads that mention this subject, but is
there a definitive view on the best way please? Due to previous racing
injuries my wrists get tired quickly and the current set up becomes quite
unpleasant in a short time. I can't tell if my throttle slide return
springs are standard or not, but I do know it has the springs in the accelerator
pumps. Any advice
greatly appreciated. Best
Regards Mark |
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Mark Serj
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Glawster
Senior Member Joined: 14 Sep 2015 Location: Cheltenham Status: Offline Points: 896 |
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Mark,
On both my V7 Sport and T3 I've replaced the regular VHB springs with PHF Springs, which are around double the length of the VHBs. Cut around 25mm from the PHF spring and remake the locating tang. The resultant throttle action is very light and gives no issues of the engine returning to tickover more slowly when closed. I was told my several experts that it was the wrong thing to do, but I discussed it with a guy from Eurocarb and that's what he recommended. Of course it's also worth making sure that your throttle cables are in good condition and well routed, but you won't be disappointed by making this modification.
Edited by Glawster - 02 Jan 2019 at 13:39 |
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1970 Guzzi V7 Ambassador
1955 Guzzi Falcone Sport 2021 BMW R1250R 1998 Cagiva Gran Canyon |
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FlyingTiger
Senior Member Joined: 22 Sep 2018 Location: BRISTOL Status: Offline Points: 195 |
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Hi,
Thanks for the advice. When you cut the spring short, you won't get a flat closed coil end anymore - did you find that a problem at all please? regards
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Mark Serj
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Brian UK
Moderator Group Joined: 13 May 2014 Location: Surrey Status: Offline Points: 17641 |
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There are different weight PHF springs, get the lightest.
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Brian.
Better 5 minutes late in this world than years early in the next. |
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ranton_rambler
Senior Member Joined: 13 Feb 2015 Location: Stafford Status: Offline Points: 1147 |
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I use a wrist rest on my 850GT. I think Oxford sell them.
Ian
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jpc
Senior Member Joined: 06 Oct 2016 Location: Belgium Status: Offline Points: 651 |
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I had the same complaint with my T3 and tried a Scottoiler Crampbuster.
Instant fix, cheap, it's been on for years now, couldn't live without it.
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Glawster
Senior Member Joined: 14 Sep 2015 Location: Cheltenham Status: Offline Points: 896 |
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Yes, you are right - but no it doesn't cause a problem Paddy has the springs at £5.95 each |
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1970 Guzzi V7 Ambassador
1955 Guzzi Falcone Sport 2021 BMW R1250R 1998 Cagiva Gran Canyon |
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Jalfrezi
Falcone Joined: 29 Apr 2018 Location: Bristol, UK Status: Offline Points: 93 |
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I found the throttle action on my 1000SP very tough to live with, however as I now realise that cables were gunked up and in poor condition. New cables, and a little silicon spray has transformed them. Of course you may not have this issue, but worth bearing in mind.
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'82 1000SP NT
'04 BMW R1150GSA '04 KTM 640 Adventure |
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Pentode
Falcone Joined: 16 Dec 2018 Location: Kimbolton UK Status: Offline Points: 34 |
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I also went down the PHF spring route on my G5. Took the opportunity to replace the throttle cables too, spending quite some time getting the routing as good as possible. Makes a huge difference and much more pleasant to ride.
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FlyingTiger
Senior Member Joined: 22 Sep 2018 Location: BRISTOL Status: Offline Points: 195 |
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Cheers guys. Have ordered a Scottoiler Crampbuster for a starter. Will let you know how it goes!
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Mark Serj
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red leader one
Senior Member Joined: 07 Oct 2014 Location: Cullercoats Status: Offline Points: 4466 |
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On special offer. Go on you know you want one.
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jpc
Senior Member Joined: 06 Oct 2016 Location: Belgium Status: Offline Points: 651 |
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Hi Mark, just a word about getting used to the Crampbuster.
When braking, the combined effects of a) grabbing the front brake& b) the weight transfer onto your hands can result in unwittingly pressing the tab and not quite closing the throttle. Easy to correct, but it caused me a couple of hair-raising moments at first, I wish I had been warned. I otherwise hope you'll get to enjoy it as I do now.
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Mike H
Senior Member Joined: 21 May 2014 Location: East Anglia Status: Offline Points: 8733 |
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Might have to start using mine again, don't have a heavy throttle problem but I am having an issue with constantly holding the twistgrip in one position for long periods. Which I think is what the CB was designed for. |
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"Chicken nuggets don't dance on a Tuesday."
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saultrader
Senior Member Joined: 12 Dec 2014 Location: Gloucesterhire Status: Offline Points: 267 |
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This thread has been very enlightening for me, I've often seen those funny plastic things hanging off twist grips but never got around to questioning their function. Luckily copious adolescent exercise has given me strong wrists but I suppose I'd better get one now to future proof my main indulgences.
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jpc
Senior Member Joined: 06 Oct 2016 Location: Belgium Status: Offline Points: 651 |
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Careful with that innuendo. Scottoiler's the name, but it doesn't lubricate.
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