Re: I can't tune my Mikuni VM20 and need help

Ahamd Bahrami /
momopeder
May 27, 2019 01:20PM
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Hey Daniel,

I did clean the points and set them when I did the timing. The motor was working ok with the stock 49cc top end on it however I do recall it being more prone to having a fouled plug when I changed the trans oil- maybe from a leak? I am really hoping its not a case leak, that would suck. Is there a method you use to diagnose a case leak? just read on MA that you can hook up a pump to the intake and seal off the exhaust port and spray the case with soap and water while pressurizing the inside of the motor with the pump.

I just ordered a boss exhaust hoping and I am hoping that that would magically solve this horrible 4 stroking issue..... really hope I don't have to mess around with the case or seals etc.

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Subject Written By Posted
  I can't tune my Mikuni VM20 and need helpTopic by: Ahamd Bahrami Ahamd Bahrami 05/25/19 04:14PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Stephen Simmons Stephen Simmons 05/25/19 09:34PM
  Re: I can't tune my Mikuni VM20 and need helpRe: iskra chornia iskra chornia 05/25/19 10:22PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/25/19 10:29PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Russell Huddy Russell Huddy 05/26/19 12:26AM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/26/19 01:06PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Daniel '' Daniel '' 05/26/19 12:06PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/26/19 01:17PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Overpriced Parts Overpriced Parts 05/26/19 05:15PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/26/19 07:42PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Daniel '' Daniel '' 05/27/19 12:38PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/27/19 01:20PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Daniel '' Daniel '' 05/27/19 02:03PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/27/19 02:33PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Daniel '' Daniel '' 05/27/19 03:39PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/27/19 03:42PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/29/19 03:47PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Full Tuck Full Tuck 05/30/19 07:46AM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/30/19 04:11PM
  Re: I can't tune my Mikuni VM20 and need helpRe: D dB D dB 06/03/19 01:19PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Tri-ped Dave Tri-ped Dave 05/30/19 04:52PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 05/30/19 08:36PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Tri-ped Dave Tri-ped Dave 05/31/19 04:06PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Aaron Blair Aaron Blair 06/01/19 07:01AM
  Re: I can't tune my Mikuni VM20 and need helpRe: Ahamd Bahrami Ahamd Bahrami 06/01/19 03:07AM
  Re: I can't tune my Mikuni VM20 and need helpRe: alex ganz alex ganz 06/01/19 10:38PM
  Re: I can't tune my Mikuni VM20 and need helpRe: Bryan Colliver Bryan Colliver 06/04/19 11:44AM

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