Author Topic: What class for a 250cc vespa?  (Read 12777 times)

0 Members and 1 Guest are viewing this topic.

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 849
  • Turbine junkie
    • Mobacken Racing
What class for a 250cc vespa?
« on: October 26, 2016, 01:47:39 PM »
A friend of mine asked me what class he would run in with his 250cc vespa, I consulted my SCTA rulebook but couldn´t figure it out. Anyone who can fill me in on this?

Offline RichFox

  • Hero Member
  • *****
  • Posts: 2663
Re: What class for a 250cc vespa?
« Reply #1 on: October 26, 2016, 02:11:02 PM »
Would rather depend on any modifications made to the Vespa. And I think they have a minimum wheel and tire diameter. Not sure scooters can run SCTA events.

Offline Old Scrambler

  • Sr. Member
  • ****
  • Posts: 721
  • Going Fast - Slowly
Re: What class for a 250cc vespa?
« Reply #2 on: October 26, 2016, 02:30:10 PM »
For AMA and/or FIM records, BMST would find a class for him.................otherwise, the BMST offers the 'Run What Ya Brung' category if he just wants to see how fast he can go........and at about one-half of the registration fee for record contenders. 
2011 AMA Record - 250cc M-PG TRIUMPH Tiger Cub - 82.5 mph
2013 AMA Record - 250cc MPS-PG TRIUMPH Tiger Cub - 88.7 mph
2018 AMA Record - 750cc M-CG HONDA CB750 sohc - 136.6 mph
2018 AMA Record - 750cc MPS-CG HONDA CB750 sohc - 143.005 mph
2018 AMA Record - 750cc M-CF HONDA CB750 sohc - 139.85 mph
2018 AMA Record - 750cc MPS-CF HONDA CB750 sohc - 144.2025 mph

Chassis Builder / Tuner: Dave Murre

Offline Stan Back

  • Hero Member
  • *****
  • Posts: 5879
Re: What class for a 250cc vespa?
« Reply #3 on: October 26, 2016, 04:52:42 PM »
This is not under the SCTA heading.  And they do have a min. wheel diameter.  In the last few years, I know a competitor did run (or enter) SpeedWeek with a compliant one.  I don't remember if it ran or was just entered in a rain-out year.
Past (Only) Member of the San Berdoo Roadsters -- "California's Most-Exclusive Roadster Club" -- 19 Years of Bonneville and/or El Mirage Street Roadster Records

Offline Koncretekid

  • Hero Member
  • *****
  • Posts: 1203
Re: What class for a 250cc vespa?
« Reply #4 on: October 26, 2016, 09:49:05 PM »
J. billig set a record in P-AG in 2013 and Scooter's yearbook shows her on a scooter.  But don't ask me how that was possible, because the wheels are not 15".  Must be because it was running in "Production" class with original wheels that weren't 15".  You'll really have to send an email to BMST tech, because they don't usually like to answer tech questions on the forum.
Tom
We get too soon oldt, and too late schmart!
Life's uncertain - eat dessert first!

Offline Mobacken Racing

  • Sr. Member
  • ****
  • Posts: 849
  • Turbine junkie
    • Mobacken Racing
Re: What class for a 250cc vespa?
« Reply #5 on: October 27, 2016, 01:06:57 PM »
Thank you for your replies, I´ll tell him to get in touch with the BMST tech guys so he can sort the rules out.

Offline sockjohn

  • Sr. Member
  • ****
  • Posts: 364
Re: What class for a 250cc vespa?
« Reply #6 on: October 27, 2016, 07:43:28 PM »
Would rather depend on any modifications made to the Vespa. And I think they have a minimum wheel and tire diameter. Not sure scooters can run SCTA events.

Don't go by my memory, but I think that sidecar motorcycles don't have the minimum wheel size requirement.

Offline RichFox

  • Hero Member
  • *****
  • Posts: 2663
Re: What class for a 250cc vespa?
« Reply #7 on: October 27, 2016, 10:40:26 PM »
I believe that you are right. However this poster makes no mention of a sidecar, so I am at a loss as to your point.
« Last Edit: October 27, 2016, 10:42:53 PM by RichFox »

Offline grumm441

  • Hero Member
  • *****
  • Posts: 1447
  • HK 327
Re: What class for a 250cc vespa?
« Reply #8 on: October 30, 2016, 02:41:06 AM »
Get him to run a Scarebeo 250ie  and that will sort out the wheel size issue and ask for a rule variation on the rear wheel
G
Chief Motorcycle Steward Dry Lakes Racers Australia Inc
Spirit of Sunshine Bellytank Lakester
https://www.dlra.org.au/rulebook.htm

Robin UK

  • Guest
Re: What class for a 250cc vespa?
« Reply #9 on: October 31, 2016, 11:38:36 AM »
Anders - might be worthwhile if your buddy got in touch with these guys. I'd have though that Elvington in the UK would be suitable for the sort of speeds targeted.

http://www.srpracetech.com/world-scooter-land-speed/

Robin

Offline Nortonist 592

  • Hero Member
  • *****
  • Posts: 1510
    • http://www.artfv.com/design/fashion/
Re: What class for a 250cc vespa?
« Reply #10 on: November 01, 2016, 01:29:59 AM »
Would rather depend on any modifications made to the Vespa. And I think they have a minimum wheel and tire diameter. Not sure scooters can run SCTA events.

Don't go by my memory, but I think that sidecar motorcycles don't have the minimum wheel size requirement.

The SCTA have a minimum wheel size of 10" for the bike and 5" for the sidecar.  But I don't think there is a scooter class per se.   If you decide to run SpeedWeek you may have to run in the 250 sidecar class.  Which then might bring up speed ratings for the tires. 
Get off the stove Grandad.  You're too old to be riding the range.