Why does my dirt bike backfire when starting?

Why does my dirt bike backfire when starting?

Backfiring on a dirt bike engine is due to an emission system malfunction, in which there is too much air or fuel present. When it doesn’t, the engine has an interruption. This causes the backfire explosion to occur in the intake or exhaust, both resulting in the loud sound.

Is the Yamaha MX125 MX 125 not a YZ125?

Contact the seller! 1974 YAMAHA MX125 NOT A YZ125PARTS BIKE DOES NOT RUN AND NO TITLE BILL OF SALE ONLY MOTOR TURNS OVER BUT HAS NO COMPRESSION.

Where can I buy a 1974 Yamaha MX250?

1974 Yamaha MX250 With any questions please call Jason Weaver: (919) 790-2235 OR Email at: [email protected] Over 20+ bikes listed on eBay and 75+ bikes in stock – check out our other auctions and out about me page!! looking to sell my mx125 Yamaha I’m the only owner , engine is apart in a box .

How long can I keep a 1974 Yamaha MX bike?

BIKE CAN BE STORED FOR UP TO 30 DAYS AFTER PAYMENT HAS BEENMADE WHILE SHIPPING PLANS ARE ARRANGED ANY QUESTION EMAIL ME AND THANKS FOR LOOKING

What was the price of a Yamaha yz250a in 1974?

Retail price in 1974 was $1495, almost $500 more than the also available Yamaha MX250 model. A well restored YZ250A sells for between $10,000 and $12,000 and is near the top of bike collectors “most desirable” list.

1974 Yamaha MX250 With any questions please call Jason Weaver: (919) 790-2235 OR Email at: [email protected] Over 20+ bikes listed on eBay and 75+ bikes in stock – check out our other auctions and out about me page!! looking to sell my mx125 Yamaha I’m the only owner , engine is apart in a box .

BIKE CAN BE STORED FOR UP TO 30 DAYS AFTER PAYMENT HAS BEENMADE WHILE SHIPPING PLANS ARE ARRANGED ANY QUESTION EMAIL ME AND THANKS FOR LOOKING

Who was the first person to race a Yamaha MX250?

The first was in America with the Jones Gang. Don Jones was an innovator, and his two sons, Gary and Dewayne, were the racers. With a hacked-up frame, lowered engine and reed valve intake tract, Gary Jones would win the 1971 and 1972 AMA 250 National Championships on a hybrid version of the Yamaha MX250.

Retail price in 1974 was $1495, almost $500 more than the also available Yamaha MX250 model. A well restored YZ250A sells for between $10,000 and $12,000 and is near the top of bike collectors “most desirable” list.