Posted by Kent Murdick on May 25, 2009, 12:03 pm
Has anyone used this product successfully? I have lost
top end speed - from 40 mph to 30 mph - on my Yamaha Zuma and have
done all the usual things. I have replaced the spark plug, put in a
new belt and replaced the roller weights. I have been told that it
is
probably a clogged exhaust port.
Posted by The Older Gentleman on May 25, 2009, 12:20 pm
> Has anyone used this product successfully? I have lost
> top end speed - from 40 mph to 30 mph - on my Yamaha Zuma and have
> done all the usual things. I have replaced the spark plug, put in a
> new belt and replaced the roller weights. I have been told that it
> is
> probably a clogged exhaust port.
I really doubt it.
It's much more likely to be clogged baffles in the exhaust *pipe*. I'd
also check the condition of the air filter.
And how many miles has it done? Two strokes are heavy on piston rings
and it may need a new set. If it's very high mileage, maybe a rebore
and/or new piston too.
--
BMW K1100LT Ducati 750SS Honda CB400F SH50 Triumph Street Triple
Honda XBR500 MZ TS250/1.
If you don't know what you're doing, don't do it.
chateau dot murray at idnet dot com
Posted by Timo Geusch on May 25, 2009, 12:49 pm
totallydeadmailbox@yahoo.co.uk (The Older Gentleman) writes:
>> Has anyone used this product successfully? I have lost
>> top end speed - from 40 mph to 30 mph - on my Yamaha Zuma and have
>> done all the usual things. I have replaced the spark plug, put in a
>> new belt and replaced the roller weights. I have been told that it
>> is
>> probably a clogged exhaust port.
> I really doubt it.
AOL - most of this stuff is somewhere between snake oil and pretty
useless.
--
Morini Corsaro 125 | XL250 Motosport | R1150RT
Laverda SF2 | Harley FXD BOTAFOF #33 TWA#10
The UKRM FAQ: http://www.ukrm.net/faq/index.html
"Je profite du paysage" - Joe Bar
Posted by Andrew998 on May 25, 2009, 2:02 pm
>> Has anyone used this product successfully? I have lost
>> top end speed - from 40 mph to 30 mph - on my Yamaha Zuma and have
>> done all the usual things. I have replaced the spark plug, put in a
>> new belt and replaced the roller weights. I have been told that it
>> is
>> probably a clogged exhaust port.
> I really doubt it.
> It's much more likely to be clogged baffles in the exhaust *pipe*. I'd
> also check the condition of the air filter.
This gets my vote too. Collapsing baffles took the top speed of my son's DNA
from 50mph to 35mph. Nothing else is likely to have such a significant
effect in one go.
--
Andrew998
Posted by The Older Gentleman on May 25, 2009, 2:08 pm
> >
> >> Has anyone used this product successfully? I have lost
> >> top end speed - from 40 mph to 30 mph - on my Yamaha Zuma and have
> >> done all the usual things. I have replaced the spark plug, put in a
> >> new belt and replaced the roller weights. I have been told that it
> >> is
> >> probably a clogged exhaust port.
> >
> > I really doubt it.
> >
> > It's much more likely to be clogged baffles in the exhaust *pipe*. I'd
> > also check the condition of the air filter.
> >
>
> This gets my vote too. Collapsing baffles took the top speed of my son's DNA
> from 50mph to 35mph. Nothing else is likely to have such a significant
> effect in one go.
Unless you're DatesFat and think "there's something wrong with the
transmission".
--
BMW K1100LT Ducati 750SS Honda CB400F SH50 Triumph Street Triple
Honda XBR500 MZ TS250/1.
If you don't know what you're doing, don't do it.
chateau dot murray at idnet dot com
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> top end speed - from 40 mph to 30 mph - on my Yamaha Zuma and have
> done all the usual things. I have replaced the spark plug, put in a
> new belt and replaced the roller weights. I have been told that it
> is
> probably a clogged exhaust port.