Second Generation Ascots > Tech Section
removing the stock airbox '83 (shadow)
cdntfindanAscot:
see if this works
http://groups.yahoo.com/neo/groups/ascotvt500enthusiasts/photos/albums/1484252250
and theres a brief conversation from this post...
http://groups.yahoo.com/neo/groups/ascotvt500enthusiasts/conversations/messages/28069
and on for a few more clicks.
J6G1Z:
There we go. I think that's the way that I would go. I much prefer the oiled foam filters over the K&N type. I used to run K&N's in all of my vehicles until I found a very fine dust on the clean side of the air-box, or carb opening. If you really want to use a screen & gauze filter like the K&N, try the AFE Proguard 7. http://afepower.com/technology_detail.php?tech_id=6 They use seven layers of filtering media between the screens. I have one of these filters in two of my vehicles & have never found any dust downstream of the filter.
Please post up any pics of your intake & exhaust modifications. There is not very much documentation on modifying the VT's.
Thanks
J.
Dougie:
Glad you found it.
The most important thing is it sits in still air largely drawing air from where the airbox used to sit, behind the sidepanels.
J6G1Z:
Are there any updates on this post?
I'm about to remove the air-box on my VT500 Ascot & attach a large UNI oiled foam filter on the end of the common intake plenum that attaches to the carbs & runs under the tank.
One of the P/O's modified the exhaust to a true dual exhaust & also modified the air-box by adding some air inlets on the removeable plate that you use to service the filter. I found the foam filter has about a 1" hole rotted through it, so it is no longer filtering the air properly. The bike needs some jetting work as it has a bit of a dead spot around the 1/2 to 3/4 throttle range. It acts like it wants to cut out & chokes a bit, then picks up RPM. Plus it is very cold blooded during the first start of the day. I'm thinking that it is probably running on the lean side & needs to be fattened up some. The dual exhaust has had some sample taps installed in the head pipes a few inches away from the head. I'm assuming they were installed to allow EGT probes to be installed for tuning purposes. I would really like to locate the P/O that performed these mods to find out the extent of the jetting changes (if any) were performed. I will post some pics of the exhaust below.
So... Has anyone worked over their carbs to perform properly after changing the exhaust & filter? What all did you do?
Thank you
J.
cdntfindanAscot:
I haven't been brave enough yet but the subject was mentioned on a facebook post a few days ago
https://www.facebook.com/hondavt500/posts/598737126885770?stream_ref=10
(in case the link does not work fb page name is Honda VT500 and the post is on the 25th march)
Probably not the answer you are looking for but seems it can be done but lots of messing about and patience required.
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