Electrex World


Triumph Twins T140, T120, TR6, 5TA, 3TA Digital Ignition - STK-105

Triumph Twins T140, T120, TR6, 5TA, 3TA Digital Ignition - STK-105
Triumph Twins T140, T120, TR6, 5TA, 3TA Digital Ignition - STK-105STK-105 wiring diagram

Price (excl. vat): 222.00 / 259.74
(266.40 / 311.69 Including VAT at 20%)

Many of these items are made to order.
You will be advised on any delay.

Stator Kit Fits:

Triumph Twins:T140


  • Digital electronic ignition system replacing the original contact breakers and advance unit.
  • The system has very low current consumption compared to other available 12v conventional electronic kits.
  • The CDI is very efficient as the spark duration is extremely short. A very high HT voltage up to 40kv can be produced.
  • The pulsar ring is engraved with degree markings to enable easy timing set up with the piston at TDC. An LED mounted on the pulsar ring indicates point at which the spark occurs and also presence of a suitable power supply.
  • Manufactured in the UK.

Click the following link to download fitting instructions:
Download Instructions


  • Road bike components - one year from the date of purchase
  • Off-road bike components - six months from the date of purchase
  • Race bike components - no warranty in line with industry practice
  • Any warranty does not cover defects due to abuse, misuse, improper installation or modification.


If any items were damaged in transit, we ask that you report it to us within 7 working days. On their return they can be replaced or a refund issued via your original payment method.

Faulty on arrival

If your items are faulty on arrival, you should inform us within 14 days of delivery. Items should be returned in their original packaging when possible with a copy of original documentation. Once we have verified the fault, we will issue a replacement or full refund to you via your original payment method.

Items faulty in warranty period

If any of your purchases develop a fault within its warranty period it will need to be returned. Once the fault has been verified, a repair or exchange of goods will be issued. If goods are found to be in good working order a testing/administration charge of 15 + VAT and return postage will be made to the customer.

Items ordered in error

If an item has been ordered in error, you should inform us within 14 days of delivery. We will not accept returned goods without prior consent except under guarantee. A minimum restocking/administration charge of 5 + VAT will be made on returned goods.

Returns We want you to be happy with your purchase from Electrex World Limited however there may be certain instances when products may need to be returned.

International Returns

International returns must be marked as 'Return - Failed Sale on any customs documentation. If there are any customs fees to pay, we will deduct these from your refund/credit.


  1. All returns must be accompanied by a copy of the original invoice and a completed returns form which can be downloaded using the following link:
  2. Returns take approximately five business days to process upon receipt of the item.
  3. We are not responsible for the loss or damage of items during their return. Please note that the customer has a duty of care whilst the goods are in their possession and that they should be thoughtfully packaged for the return shipment.
  4. Buyer is responsible for any shipping charges when returning the item.
  5. When fitting electrical parts these can be damaged by the same faulty electrical system that caused the initial failure and in such circumstances these parts cannot be returned for refund.
  6. No refund can be given If the item is out of warranty, if the item is within warranty but has been subjected to conditions beyond their specification or the item has been fitted/used.

Return Address

Electrex World Limited Units 43-46 Vanalloys Business Park Stoke Row Oxfordshire RG9 5QW

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Registered in England & Wales Company Registration number 04306310. VAT number 785 299 174.

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Ordered the STK106 for my Norton Commando on Thursday morning and it arrived well packaged the next day, very helpful lady on the end of the phone.

Fitting the kit was dead straight forward apart from a timing issue which was entirely down to my own stupidity using the wrong marks, an email was answered promptly although I had realised my mistake by then. The only other very slight issue was that I needed to file out the supplied coil bracket a little for the coil to fit but that took seconds.

Previously fitted with a Boyer system the bike had been hard to start and cutting out when hot. Now it starts so easily that it seems impossible for a big twin, hot or cold it takes half a kick, ticks over very much better and pulls well throughout the rev range.

A superb bit of kit at a bargain price when you see what is included, very impressed.

June 2021

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