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Or email us at
[email protected]
Phone:
480-SIGMA6-3
480-744-6263
Phoenix, AZ
Check out our Ebay Feedback, 99.7% positive. Can't please all the people all the time!
Customer Testimonials
Hi there. I bought your carb kit for my custom triumph I self built. It's put the cherry on the top making it a superb runner. A quick delivery specially designed for my bike and I'm truly impressed! So it's hats off with a big salute to the fantastic knowledge and expertise you guys obviously have. Here's to a great summer. All the best from Dave.
Holy Cow!!! I have fallen in love with my bike all over again. It is over 30 years old, but I feel like I'm riding a new bike. The improved power and acceleration across all throttle positions is amazing! I thought I could "dial in" my carburetor on my own through trial and error, but there is no way that I could have known to implement all of the adjustments and changes without your help. For those who have made stage 1 modifications, or are having carburetor issues, don't play the guessing game and waste time and money--buy one of 6Sigma kits and be happy! The instructions are easy to follow and the service you provide is outstanding. After dealing with many motorcycle vendors, this company definitely deserves everyone's business and ranks top tier. It is nice to deal with a company who provide great support after the sale! Thank you 6Sigma.
-Wade W
Hi guys, just wanted to say thanks. Whilst the majority of the kit was not needed,I now have the means and the knowledge to be able to re-jet in the future ie. when I add less restrictive pipe. Before the kit was fitted, the bike would not rev past 5000 and the idle was lumpy and unpredictable but now it idles smoothly and pulls like train right up to the rev limit. Had I gone to a local bike shop I know I would have been charged more than the kit cost, and I doubt the results would have been as successful, in fact only expensive dyno time with a trained technician might have been able to replicate this result. Please feel free to use this testimonial in any way that you feel fit.
Regards. Simon G. UK. (a very,very happy SR500 owner)
Hi, just wanted to say thanks. The jet kit worked like a dream and the flat spot that has always been a problem with my Daytona 1200 has gone.Very easy installation, too. marcus9256
Hey I just thought I'd let you know that after installing your kit my super tenere is a completely new bike!! before the kit it stopped pulling at 5500 rpm, after the kit it starts pulling at 6000 all the way to red line but hasn't lost any torque at lower rpms. Thanks David.
I just wanted to say thank you! the kit for the GS850 was great, i hope to do alot more business with you.i just opened a small custom shop,mostly cafe racers,and street fighters, and today you made me look like a genius. again thank you!
Shannon,Long Racing
"Hey mate I got the jets in my bike and it's fully sorted, a $40 kit finally doing justice to my $600 exhaust system!"
Summer is here, it's f****n beautiful, my bike is cranking and it's thanks to you guys!
THANKS SO MUCH!"
James
great instructions great kit it runs so good i think its time for a clutch
1999-2000 Yamaha YZF R6
81 and 83 XT250's and another kit for my XT550. I bought one before from you and was so impressed I want a second one for my second XT550. Then 2 for my 2 old XT250's.
this is an 83 gs750 with pods and an open header at sea level. ive had 3 of your kits for customers and they all work great.
jeff h
just wanted to thank you. i installed your jet kit per your instructions and my surging problem is gone! also much more pep through mid and top end. im anxious to get a ride in tomorrow to check the plugs. top notch kit!
- llerddam
Just wanted to give you some feedback on my jetting kit. It's really helped out with the the entire rev range and idles alot cooler than before. The bike is a full on wheelie machine.
- supamo_fxd3206
I just wanted to take a minute and thank you for the quality product you are selling. I installed it today and what a difference it made. The bike is a totally different animal now. Responsive, smooth, powerful, with no popping, hesitation, surging, nothing. I was to the point where I was looking to get rid of the bike and now I will keep it. A pleasure to do business with someone that puts out a quality product that is application based with straight forward instuctions. Thank You.
- jddodger
FAQS
Q: Is this kit for all (1,2,3,4,6) carbs on my bike?
A: Yes, 1 Kit is for all the carbs on the bike. You only need to order 1 Kit for your bike.
Q: Do you ship international, and how much?
A: Yes, we ship worldwide. For just $9.95
Q: What size jets come in this kit?
A: Each kit is different, based on the bike, modifications, and operating altitude, so jet sizes vary.
Q: What is the difference in Stage 1-7, which one should I choose?
A: Here is a guide for selecting a stage. If are you unsure on which to select you can choose stage 1. Each kit from 6 Sigma is custom designed so be sure to use the drop downs to select your modifications, and enter your year, make, model, elevation and modifications. If you have additional information that you would like to include you can use the "other mods/brand of intake/exhaust" section.
Stage 1 - stock to aftermarket airfilter
Stage 2 - modified intake airbox / exhaust
Stage 3 - Air box removed - pod filters
Stage 7 - fully modified race vehicle
Each kit is different, based on the bike, modifications, and operating altitude
Q: Do I need a jet kit?
A: If you have made any modifications, or just want a little more performance out of your stock bike, then yes you do need a kit.
Q: Can I install this kit?
A: Yes, you can install it, don't be intimidated if you've never done this before, only very basic skills are needed, and it has instructions with full support.
Q: How long does it take to install?
A: Time varies, but it is directly related to the # of carbs on your bike. Allow at least 1/2 hour per carb.
Q: Does this kit come with everything I need?
A: Yes, it is a comprehensive performance upgrade kit. Not to be confused with a basic rebuild kit.
Q: I just bought an intake/exhaust, why do I need this?
A:Why spend hundreds for an exhaust and air filter that produce a 10% increase in air flow while ignoring the big loss of horsepower due to not installing a comparatively inexpensive jet kit that increases the fuel flow to match.
Hi there. I bought your carb kit for my custom triumph I self built. It's put the cherry on the top making it a superb runner. A quick delivery specially designed for my bike and I'm truly impressed! So it's hats off with a big salute to the fantastic knowledge and expertise you guys obviously have. Here's to a great summer. All the best from Dave.
Holy Cow!!! I have fallen in love with my bike all over again. It is over 30 years old, but I feel like I'm riding a new bike. The improved power and acceleration across all throttle positions is amazing! I thought I could "dial in" my carburetor on my own through trial and error, but there is no way that I could have known to implement all of the adjustments and changes without your help. For those who have made stage 1 modifications, or are having carburetor issues, don't play the guessing game and waste time and money--buy one of 6Sigma kits and be happy! The instructions are easy to follow and the service you provide is outstanding. After dealing with many motorcycle vendors, this company definitely deserves everyone's business and ranks top tier. It is nice to deal with a company who provide great support after the sale! Thank you 6Sigma.
-Wade W
Hi guys, just wanted to say thanks. Whilst the majority of the kit was not needed,I now have the means and the knowledge to be able to re-jet in the future ie. when I add less restrictive pipe. Before the kit was fitted, the bike would not rev past 5000 and the idle was lumpy and unpredictable but now it idles smoothly and pulls like train right up to the rev limit. Had I gone to a local bike shop I know I would have been charged more than the kit cost, and I doubt the results would have been as successful, in fact only expensive dyno time with a trained technician might have been able to replicate this result. Please feel free to use this testimonial in any way that you feel fit.
Regards. Simon G. UK. (a very,very happy SR500 owner)
Hi, just wanted to say thanks. The jet kit worked like a dream and the flat spot that has always been a problem with my Daytona 1200 has gone.Very easy installation, too. marcus9256
Hey I just thought I'd let you know that after installing your kit my super tenere is a completely new bike!! before the kit it stopped pulling at 5500 rpm, after the kit it starts pulling at 6000 all the way to red line but hasn't lost any torque at lower rpms. Thanks David.
I just wanted to say thank you! the kit for the GS850 was great, i hope to do alot more business with you.i just opened a small custom shop,mostly cafe racers,and street fighters, and today you made me look like a genius. again thank you!
Shannon,Long Racing
"Hey mate I got the jets in my bike and it's fully sorted, a $40 kit finally doing justice to my $600 exhaust system!"
Summer is here, it's f****n beautiful, my bike is cranking and it's thanks to you guys!
THANKS SO MUCH!"
James
great instructions great kit it runs so good i think its time for a clutch
1999-2000 Yamaha YZF R6
81 and 83 XT250's and another kit for my XT550. I bought one before from you and was so impressed I want a second one for my second XT550. Then 2 for my 2 old XT250's.
this is an 83 gs750 with pods and an open header at sea level. ive had 3 of your kits for customers and they all work great.
jeff h
just wanted to thank you. i installed your jet kit per your instructions and my surging problem is gone! also much more pep through mid and top end. im anxious to get a ride in tomorrow to check the plugs. top notch kit!
- llerddam
Just wanted to give you some feedback on my jetting kit. It's really helped out with the the entire rev range and idles alot cooler than before. The bike is a full on wheelie machine.
- supamo_fxd3206
I just wanted to take a minute and thank you for the quality product you are selling. I installed it today and what a difference it made. The bike is a totally different animal now. Responsive, smooth, powerful, with no popping, hesitation, surging, nothing. I was to the point where I was looking to get rid of the bike and now I will keep it. A pleasure to do business with someone that puts out a quality product that is application based with straight forward instuctions. Thank You.
- jddodger
FAQS
Q: Is this kit for all (1,2,3,4,6) carbs on my bike?
A: Yes, 1 Kit is for all the carbs on the bike. You only need to order 1 Kit for your bike.
Q: Do you ship international, and how much?
A: Yes, we ship worldwide. For just $9.95
Q: What size jets come in this kit?
A: Each kit is different, based on the bike, modifications, and operating altitude, so jet sizes vary.
Q: What is the difference in Stage 1-7, which one should I choose?
A: Here is a guide for selecting a stage. If are you unsure on which to select you can choose stage 1. Each kit from 6 Sigma is custom designed so be sure to use the drop downs to select your modifications, and enter your year, make, model, elevation and modifications. If you have additional information that you would like to include you can use the "other mods/brand of intake/exhaust" section.
Stage 1 - stock to aftermarket airfilter
Stage 2 - modified intake airbox / exhaust
Stage 3 - Air box removed - pod filters
Stage 7 - fully modified race vehicle
Each kit is different, based on the bike, modifications, and operating altitude
Q: Do I need a jet kit?
A: If you have made any modifications, or just want a little more performance out of your stock bike, then yes you do need a kit.
Q: Can I install this kit?
A: Yes, you can install it, don't be intimidated if you've never done this before, only very basic skills are needed, and it has instructions with full support.
Q: How long does it take to install?
A: Time varies, but it is directly related to the # of carbs on your bike. Allow at least 1/2 hour per carb.
Q: Does this kit come with everything I need?
A: Yes, it is a comprehensive performance upgrade kit. Not to be confused with a basic rebuild kit.
Q: I just bought an intake/exhaust, why do I need this?
A:Why spend hundreds for an exhaust and air filter that produce a 10% increase in air flow while ignoring the big loss of horsepower due to not installing a comparatively inexpensive jet kit that increases the fuel flow to match.
If canister is not being fully punctured, do this
O-ring seal replacement
Here is the top-rated list of jet kits:
1. 6 Sigma Jet Kit
2. Dynojet Jet Kit
1. 6 Sigma Jet Kit
- Best for: Most motorcycles, ATVs, dirt bikes, street bikes and cruisers.
- Why it's great: 6 Sigma Jet is known for offering comprehensive jet kits that come with detailed instructions. Their kits provide improved throttle response, better fuel efficiency, and increased horsepower. These kits are the only customized jet kits made. They are designed to exact specifications of the customer.
- Key features:
- Performance tuning maps.
- Adjustable main jets and pilot jets.
- Available for a wide variety of bike models.
2. Dynojet Jet Kit
- Best for: Most motorcycles, particularly street bikes.
- Why it's great: Dynojet is known for offeringjet kits that come with instructions. Their kits provide increased horsepower.
- Key features:
- Performance tuning maps.
- Main jets and needles.
- Best for: Enhancing air-fuel ratio for better engine performance.
- Why it's great: K&N is renowned for its high-performance air filters, and their jet kits often work well in combination with those filters to improve engine efficiency. This kit helps optimize the carburetor, enhancing power and fuel economy.
- Key features:
- Includes carburetor main jets, and instructions.
- Designed for better throttle response.
- Often recommended for cruisers.
- Best for: cruiser motorcycles.
- Why it's great: If you own a cruiser-style bike, Vance & Hines is a reliable name for tuning. Their jet kits improve acceleration.
- Key features:
- Adjustable to suit different types of modifications.
- Focus on increasing mid-range power and overall responsiveness.
- Includes step-by-step tuning guide.
- Best for: Touring motorcycles.
- Why it's great: Cobra offers a Stage 3 jet kit designed for bikes with aftermarket exhaust systems or those that require more aggressive tuning. It is specifically designed for riders looking for noticeable power gains, especially in the mid to top-end range.
- Key features:
- Includes different jet sizes for precise tuning.
- Maximizes horsepower and torque.
- Detailed tuning chart based on modifications.